/*!
* jQuery JavaScript Library v3.4.1
* https://jquery.com/
*
* Includes Sizzle.js
* https://sizzlejs.com/
*
* Copyright JS Foundation and other contributors
* Released under the MIT license
* https://jquery.org/license
*
* Date: 2019-05-01T21:04Z
*/
(function(global, factory) {
"use strict";
if (typeof module === "object" && typeof module.exports === "object") {
// For CommonJS and CommonJS-like environments where a proper `window`
// is present, execute the factory and get jQuery.
// For environments that do not have a `window` with a `document`
// (such as Node.js), expose a factory as module.exports.
// This accentuates the need for the creation of a real `window`.
// e.g. var jQuery = require("jquery")(window);
// See ticket #14549 for more info.
module.exports = global.document ?
factory(global, true) :
function(w) {
if (!w.document) {
throw new Error("jQuery requires a window with a document");
}
return factory(w);
};
} else {
factory(global);
}
// Pass this if window is not defined yet
})(typeof window !== "undefined" ? window : this, function(window, noGlobal) {
// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
// enough that all such attempts are guarded in a try block.
"use strict";
var arr = [];
var document = window.document;
var getProto = Object.getPrototypeOf;
var slice = arr.slice;
var concat = arr.concat;
var push = arr.push;
var indexOf = arr.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var fnToString = hasOwn.toString;
var ObjectFunctionString = fnToString.call(Object);
var support = {};
var isFunction = function isFunction(obj) {
// Support: Chrome <=57, Firefox <=52
// In some browsers, typeof returns "function" for HTML <object> elements
// (i.e., `typeof document.createElement( "object" ) === "function"`).
// We don't want to classify *any* DOM node as a function.
return typeof obj === "function" && typeof obj.nodeType !== "number";
};
var isWindow = function isWindow(obj) {
return obj != null && obj === obj.window;
};
var preservedScriptAttributes = {
type: true,
src: true,
nonce: true,
noModule: true
};
function DOMEval(code, node, doc) {
doc = doc || document;
var i, val,
script = doc.createElement("script");
script.text = code;
if (node) {
for (i in preservedScriptAttributes) {
// Support: Firefox 64+, Edge 18+
// Some browsers don't support the "nonce" property on scripts.
// On the other hand, just using `getAttribute` is not enough as
// the `nonce` attribute is reset to an empty string whenever it
// becomes browsing-context connected.
// See https://github.com/whatwg/html/issues/2369
// See https://html.spec.whatwg.org/#nonce-attributes
// The `node.getAttribute` check was added for the sake of
// `jQuery.globalEval` so that it can fake a nonce-containing node
// via an object.
val = node[i] || node.getAttribute && node.getAttribute(i);
if (val) {
script.setAttribute(i, val);
}
}
}
doc.head.appendChild(script).parentNode.removeChild(script);
}
function toType(obj) {
if (obj == null) {
return obj + "";
}
// Support: Android <=2.3 only (functionish RegExp)
return typeof obj === "object" || typeof obj === "function" ?
class2type[toString.call(obj)] || "object" :
typeof obj;
}
/* global Symbol */
// Defining this global in .eslintrc.json would create a danger of using the global
// unguarded in another place, it seems safer to define global only for this module
var
version = "3.4.1",
// Define a local copy of jQuery
jQuery = function(selector, context) {
// The jQuery object is actually just the init constructor 'enhanced'
// Need init if jQuery is called (just allow error to be thrown if not included)
return new jQuery.fn.init(selector, context);
},
// Support: Android <=4.0 only
// Make sure we trim BOM and NBSP
rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used
jquery: version,
constructor: jQuery,
// The default length of a jQuery object is 0
length: 0,
toArray: function() {
return slice.call(this);
},
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function(num) {
// Return all the elements in a clean array
if (num == null) {
return slice.call(this);
}
// Return just the one element from the set
return num < 0 ? this[num + this.length] : this[num];
},
// Take an array of elements and push it onto the stack
// (returning the new matched element set)
pushStack: function(elems) {
// Build a new jQuery matched element set
var ret = jQuery.merge(this.constructor(), elems);
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
// Return the newly-formed element set
return ret;
},
// Execute a callback for every element in the matched set.
each: function(callback) {
return jQuery.each(this, callback);
},
map: function(callback) {
return this.pushStack(jQuery.map(this, function(elem, i) {
return callback.call(elem, i, elem);
}));
},
slice: function() {
return this.pushStack(slice.apply(this, arguments));
},
first: function() {
return this.eq(0);
},
last: function() {
return this.eq(-1);
},
eq: function(i) {
var len = this.length,
j = +i + (i < 0 ? len : 0);
return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
},
end: function() {
return this.prevObject || this.constructor();
},
// For internal use only.
// Behaves like an Array's method, not like a jQuery method.
push: push,
sort: arr.sort,
splice: arr.splice
};
jQuery.extend = jQuery.fn.extend = function() {
var options, name, src, copy, copyIsArray, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if (typeof target === "boolean") {
deep = target;
// Skip the boolean and the target
target = arguments[i] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if (typeof target !== "object" && !isFunction(target)) {
target = {};
}
// Extend jQuery itself if only one argument is passed
if (i === length) {
target = this;
i--;
}
for (; i < length; i++) {
// Only deal with non-null/undefined values
if ((options = arguments[i]) != null) {
// Extend the base object
for (name in options) {
copy = options[name];
// Prevent Object.prototype pollution
// Prevent never-ending loop
if (name === "__proto__" || target === copy) {
continue;
}
// Recurse if we're merging plain objects or arrays
if (deep && copy && (jQuery.isPlainObject(copy) ||
(copyIsArray = Array.isArray(copy)))) {
src = target[name];
// Ensure proper type for the source value
if (copyIsArray && !Array.isArray(src)) {
clone = [];
} else if (!copyIsArray && !jQuery.isPlainObject(src)) {
clone = {};
} else {
clone = src;
}
copyIsArray = false;
// Never move original objects, clone them
target[name] = jQuery.extend(deep, clone, copy);
// Don't bring in undefined values
} else if (copy !== undefined) {
target[name] = copy;
}
}
}
}
// Return the modified object
return target;
};
jQuery.extend({
// Unique for each copy of jQuery on the page
expando: "jQuery" + (version + Math.random()).replace(/\D/g, ""),
// Assume jQuery is ready without the ready module
isReady: true,
error: function(msg) {
throw new Error(msg);
},
noop: function() {},
isPlainObject: function(obj) {
var proto, Ctor;
// Detect obvious negatives
// Use toString instead of jQuery.type to catch host objects
if (!obj || toString.call(obj) !== "[object Object]") {
return false;
}
proto = getProto(obj);
// Objects with no prototype (e.g., `Object.create( null )`) are plain
if (!proto) {
return true;
}
// Objects with prototype are plain iff they were constructed by a global Object function
Ctor = hasOwn.call(proto, "constructor") && proto.constructor;
return typeof Ctor === "function" && fnToString.call(Ctor) === ObjectFunctionString;
},
isEmptyObject: function(obj) {
var name;
for (name in obj) {
return false;
}
return true;
},
// Evaluates a script in a global context
globalEval: function(code, options) {
DOMEval(code, { nonce: options && options.nonce });
},
each: function(obj, callback) {
var length, i = 0;
if (isArrayLike(obj)) {
length = obj.length;
for (; i < length; i++) {
if (callback.call(obj[i], i, obj[i]) === false) {
break;
}
}
} else {
for (i in obj) {
if (callback.call(obj[i], i, obj[i]) === false) {
break;
}
}
}
return obj;
},
// Support: Android <=4.0 only
trim: function(text) {
return text == null ?
"" :
(text + "").replace(rtrim, "");
},
// results is for internal usage only
makeArray: function(arr, results) {
var ret = results || [];
if (arr != null) {
if (isArrayLike(Object(arr))) {
jQuery.merge(ret,
typeof arr === "string" ? [arr] : arr
);
} else {
push.call(ret, arr);
}
}
return ret;
},
inArray: function(elem, arr, i) {
return arr == null ? -1 : indexOf.call(arr, elem, i);
},
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
merge: function(first, second) {
var len = +second.length,
j = 0,
i = first.length;
for (; j < len; j++) {
first[i++] = second[j];
}
first.length = i;
return first;
},
grep: function(elems, callback, invert) {
var callbackInverse,
matches = [],
i = 0,
length = elems.length,
callbackExpect = !invert;
// Go through the array, only saving the items
// that pass the validator function
for (; i < length; i++) {
callbackInverse = !callback(elems[i], i);
if (callbackInverse !== callbackExpect) {
matches.push(elems[i]);
}
}
return matches;
},
// arg is for internal usage only
map: function(elems, callback, arg) {
var length, value,
i = 0,
ret = [];
// Go through the array, translating each of the items to their new values
if (isArrayLike(elems)) {
length = elems.length;
for (; i < length; i++) {
value = callback(elems[i], i, arg);
if (value != null) {
ret.push(value);
}
}
// Go through every key on the object,
} else {
for (i in elems) {
value = callback(elems[i], i, arg);
if (value != null) {
ret.push(value);
}
}
}
// Flatten any nested arrays
return concat.apply([], ret);
},
// A global GUID counter for objects
guid: 1,
// jQuery.support is not used in Core but other projects attach their
// properties to it so it needs to exist.
support: support
});
if (typeof Symbol === "function") {
jQuery.fn[Symbol.iterator] = arr[Symbol.iterator];
}
// Populate the class2type map
jQuery.each("Boolean Number String Function Array Date RegExp Object Error Symbol".split(" "),
function(i, name) {
class2type["[object " + name + "]"] = name.toLowerCase();
});
function isArrayLike(obj) {
// Support: real iOS 8.2 only (not reproducible in simulator)
// `in` check used to prevent JIT error (gh-2145)
// hasOwn isn't used here due to false negatives
// regarding Nodelist length in IE
var length = !!obj && "length" in obj && obj.length,
type = toType(obj);
if (isFunction(obj) || isWindow(obj)) {
return false;
}
return type === "array" || length === 0 ||
typeof length === "number" && length > 0 && (length - 1) in obj;
}
var Sizzle =
/*!
* Sizzle CSS Selector Engine v2.3.4
* https://sizzlejs.com/
*
* Copyright JS Foundation and other contributors
* Released under the MIT license
* https://js.foundation/
*
* Date: 2019-04-08
*/
(function(window) {
var i,
support,
Expr,
getText,
isXML,
tokenize,
compile,
select,
outermostContext,
sortInput,
hasDuplicate,
// Local document vars
setDocument,
document,
docElem,
documentIsHTML,
rbuggyQSA,
rbuggyMatches,
matches,
contains,
// Instance-specific data
expando = "sizzle" + 1 * new Date(),
preferredDoc = window.document,
dirruns = 0,
done = 0,
classCache = createCache(),
tokenCache = createCache(),
compilerCache = createCache(),
nonnativeSelectorCache = createCache(),
sortOrder = function(a, b) {
if (a === b) {
hasDuplicate = true;
}
return 0;
},
// Instance methods
hasOwn = ({}).hasOwnProperty,
arr = [],
pop = arr.pop,
push_native = arr.push,
push = arr.push,
slice = arr.slice,
// Use a stripped-down indexOf as it's faster than native
// https://jsperf.com/thor-indexof-vs-for/5
indexOf = function(list, elem) {
var i = 0,
len = list.length;
for (; i < len; i++) {
if (list[i] === elem) {
return i;
}
}
return -1;
},
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
// Regular expressions
// http://www.w3.org/TR/css3-selectors/#whitespace
whitespace = "[\\x20\\t\\r\\n\\f]",
// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
// Operator (capture 2)
"*([*^$|!~]?=)" + whitespace +
// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
"*\\]",
pseudos = ":(" + identifier + ")(?:\\((" +
// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
// 1. quoted (capture 3; capture 4 or capture 5)
"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
// 2. simple (capture 6)
"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
// 3. anything else (capture 2)
".*" +
")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
rwhitespace = new RegExp(whitespace + "+", "g"),
rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g"),
rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"),
rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*"),
rdescend = new RegExp(whitespace + "|>"),
rpseudo = new RegExp(pseudos),
ridentifier = new RegExp("^" + identifier + "$"),
matchExpr = {
"ID": new RegExp("^#(" + identifier + ")"),
"CLASS": new RegExp("^\\.(" + identifier + ")"),
"TAG": new RegExp("^(" + identifier + "|[*])"),
"ATTR": new RegExp("^" + attributes),
"PSEUDO": new RegExp("^" + pseudos),
"CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
"*(\\d+)|))" + whitespace + "*\\)|)", "i"),
"bool": new RegExp("^(?:" + booleans + ")$", "i"),
// For use in libraries implementing .is()
// We use this for POS matching in `select`
"needsContext": new RegExp("^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i")
},
rhtml = /HTML$/i,
rinputs = /^(?:input|select|textarea|button)$/i,
rheader = /^h\d$/i,
rnative = /^[^{]+\{\s*\[native \w/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
// CSS escapes
// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
runescape = new RegExp("\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig"),
funescape = function(_, escaped, escapedWhitespace) {
var high = "0x" + escaped - 0x10000;
// NaN means non-codepoint
// Support: Firefox<24
// Workaround erroneous numeric interpretation of +"0x"
return high !== high || escapedWhitespace ?
escaped :
high < 0 ?
// BMP codepoint
String.fromCharCode(high + 0x10000) :
// Supplemental Plane codepoint (surrogate pair)
String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
},
// CSS string/identifier serialization
// https://drafts.csswg.org/cssom/#common-serializing-idioms
rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
fcssescape = function(ch, asCodePoint) {
if (asCodePoint) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if (ch === "\0") {
return "\uFFFD";
}
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice(0, -1) + "\\" + ch.charCodeAt(ch.length - 1).toString(16) + " ";
}
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch;
},
// Used for iframes
// See setDocument()
// Removing the function wrapper causes a "Permission Denied"
// error in IE
unloadHandler = function() {
setDocument();
},
inDisabledFieldset = addCombinator(
function(elem) {
return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
}, { dir: "parentNode", next: "legend" }
);
// Optimize for push.apply( _, NodeList )
try {
push.apply(
(arr = slice.call(preferredDoc.childNodes)),
preferredDoc.childNodes
);
// Support: Android<4.0
// Detect silently failing push.apply
arr[preferredDoc.childNodes.length].nodeType;
} catch (e) {
push = {
apply: arr.length ?
// Leverage slice if possible
function(target, els) {
push_native.apply(target, slice.call(els));
} :
// Support: IE<9
// Otherwise append directly
function(target, els) {
var j = target.length,
i = 0;
// Can't trust NodeList.length
while ((target[j++] = els[i++])) {}
target.length = j - 1;
}
};
}
function Sizzle(selector, context, results, seed) {
var m, i, elem, nid, match, groups, newSelector,
newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document
nodeType = context ? context.nodeType : 9;
results = results || [];
// Return early from calls with invalid selector or context
if (typeof selector !== "string" || !selector ||
nodeType !== 1 && nodeType !== 9 && nodeType !== 11) {
return results;
}
// Try to shortcut find operations (as opposed to filters) in HTML documents
if (!seed) {
if ((context ? context.ownerDocument || context : preferredDoc) !== document) {
setDocument(context);
}
context = context || document;
if (documentIsHTML) {
// If the selector is sufficiently simple, try using a "get*By*" DOM method
// (excepting DocumentFragment context, where the methods don't exist)
if (nodeType !== 11 && (match = rquickExpr.exec(selector))) {
// ID selector
if ((m = match[1])) {
// Document context
if (nodeType === 9) {
if ((elem = context.getElementById(m))) {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if (elem.id === m) {
results.push(elem);
return results;
}
} else {
return results;
}
// Element context
} else {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if (newContext && (elem = newContext.getElementById(m)) &&
contains(context, elem) &&
elem.id === m) {
results.push(elem);
return results;
}
}
// Type selector
} else if (match[2]) {
push.apply(results, context.getElementsByTagName(selector));
return results;
// Class selector
} else if ((m = match[3]) && support.getElementsByClassName &&
context.getElementsByClassName) {
push.apply(results, context.getElementsByClassName(m));
return results;
}
}
// Take advantage of querySelectorAll
if (support.qsa &&
!nonnativeSelectorCache[selector + " "] &&
(!rbuggyQSA || !rbuggyQSA.test(selector)) &&
// Support: IE 8 only
// Exclude object elements
(nodeType !== 1 || context.nodeName.toLowerCase() !== "object")) {
newSelector = selector;
newContext = context;
// qSA considers elements outside a scoping root when evaluating child or
// descendant combinators, which is not what we want.
// In such cases, we work around the behavior by prefixing every selector in the
// list with an ID selector referencing the scope context.
// Thanks to Andrew Dupont for this technique.
if (nodeType === 1 && rdescend.test(selector)) {
// Capture the context ID, setting it first if necessary
if ((nid = context.getAttribute("id"))) {
nid = nid.replace(rcssescape, fcssescape);
} else {
context.setAttribute("id", (nid = expando));
}
// Prefix every selector in the list
groups = tokenize(selector);
i = groups.length;
while (i--) {
groups[i] = "#" + nid + " " + toSelector(groups[i]);
}
newSelector = groups.join(",");
// Expand context for sibling selectors
newContext = rsibling.test(selector) && testContext(context.parentNode) ||
context;
}
try {
push.apply(results,
newContext.querySelectorAll(newSelector)
);
return results;
} catch (qsaError) {
nonnativeSelectorCache(selector, true);
} finally {
if (nid === expando) {
context.removeAttribute("id");
}
}
}
}
}
// All others
return select(selector.replace(rtrim, "$1"), context, results, seed);
}
/**
* Create key-value caches of limited size
* @returns {function(string, object)} Returns the Object data after storing it on itself with
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
* deleting the oldest entry
*/
function createCache() {
var keys = [];
function cache(key, value) {
// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
if (keys.push(key + " ") > Expr.cacheLength) {
// Only keep the most recent entries
delete cache[keys.shift()];
}
return (cache[key + " "] = value);
}
return cache;
}
/**
* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/
function markFunction(fn) {
fn[expando] = true;
return fn;
}
/**
* Support testing using an element
* @param {Function} fn Passed the created element and returns a boolean result
*/
function assert(fn) {
var el = document.createElement("fieldset");
try {
return !!fn(el);
} catch (e) {
return false;
} finally {
// Remove from its parent by default
if (el.parentNode) {
el.parentNode.removeChild(el);
}
// release memory in IE
el = null;
}
}
/**
* Adds the same handler for all of the specified attrs
* @param {String} attrs Pipe-separated list of attributes
* @param {Function} handler The method that will be applied
*/
function addHandle(attrs, handler) {
var arr = attrs.split("|"),
i = arr.length;
while (i--) {
Expr.attrHandle[arr[i]] = handler;
}
}
/**
* Checks document order of two siblings
* @param {Element} a
* @param {Element} b
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
*/
function siblingCheck(a, b) {
var cur = b && a,
diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
a.sourceIndex - b.sourceIndex;
// Use IE sourceIndex if available on both nodes
if (diff) {
return diff;
}
// Check if b follows a
if (cur) {
while ((cur = cur.nextSibling)) {
if (cur === b) {
return -1;
}
}
}
return a ? 1 : -1;
}
/**
* Returns a function to use in pseudos for input types
* @param {String} type
*/
function createInputPseudo(type) {
return function(elem) {
var name = elem.nodeName.toLowerCase();
return name === "input" && elem.type === type;
};
}
/**
* Returns a function to use in pseudos for buttons
* @param {String} type
*/
function createButtonPseudo(type) {
return function(elem) {
var name = elem.nodeName.toLowerCase();
return (name === "input" || name === "button") && elem.type === type;
};
}
/**
* Returns a function to use in pseudos for :enabled/:disabled
* @param {Boolean} disabled true for :disabled; false for :enabled
*/
function createDisabledPseudo(disabled) {
// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
return function(elem) {
// Only certain elements can match :enabled or :disabled
// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
if ("form" in elem) {
// Check for inherited disabledness on relevant non-disabled elements:
// * listed form-associated elements in a disabled fieldset
// https://html.spec.whatwg.org/multipage/forms.html#category-listed
// https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
// * option elements in a disabled optgroup
// https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
// All such elements have a "form" property.
if (elem.parentNode && elem.disabled === false) {
// Option elements defer to a parent optgroup if present
if ("label" in elem) {
if ("label" in elem.parentNode) {
return elem.parentNode.disabled === disabled;
} else {
return elem.disabled === disabled;
}
}
// Support: IE 6 - 11
// Use the isDisabled shortcut property to check for disabled fieldset ancestors
return elem.isDisabled === disabled ||
// Where there is no isDisabled, check manually
/* jshint -W018 */
elem.isDisabled !== !disabled &&
inDisabledFieldset(elem) === disabled;
}
return elem.disabled === disabled;
// Try to winnow out elements that can't be disabled before trusting the disabled property.
// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
// even exist on them, let alone have a boolean value.
} else if ("label" in elem) {
return elem.disabled === disabled;
}
// Remaining elements are neither :enabled nor :disabled
return false;
};
}
/**
* Returns a function to use in pseudos for positionals
* @param {Function} fn
*/
function createPositionalPseudo(fn) {
return markFunction(function(argument) {
argument = +argument;
return markFunction(function(seed, matches) {
var j,
matchIndexes = fn([], seed.length, argument),
i = matchIndexes.length;
// Match elements found at the specified indexes
while (i--) {
if (seed[(j = matchIndexes[i])]) {
seed[j] = !(matches[j] = seed[j]);
}
}
});
});
}
/**
* Checks a node for validity as a Sizzle context
* @param {Element|Object=} context
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
*/
function testContext(context) {
return context && typeof context.getElementsByTagName !== "undefined" && context;
}
// Expose support vars for convenience
support = Sizzle.support = {};
/**
* Detects XML nodes
* @param {Element|Object} elem An element or a document
* @returns {Boolean} True iff elem is a non-HTML XML node
*/
isXML = Sizzle.isXML = function(elem) {
var namespace = elem.namespaceURI,
docElem = (elem.ownerDocument || elem).documentElement;
// Support: IE <=8
// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
// https://bugs.jquery.com/ticket/4833
return !rhtml.test(namespace || docElem && docElem.nodeName || "HTML");
};
/**
* Sets document-related variables once based on the current document
* @param {Element|Object} [doc] An element or document object to use to set the document
* @returns {Object} Returns the current document
*/
setDocument = Sizzle.setDocument = function(node) {
var hasCompare, subWindow,
doc = node ? node.ownerDocument || node : preferredDoc;
// Return early if doc is invalid or already selected
if (doc === document || doc.nodeType !== 9 || !doc.documentElement) {
return document;
}
// Update global variables
document = doc;
docElem = document.documentElement;
documentIsHTML = !isXML(document);
// Support: IE 9-11, Edge
// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
if (preferredDoc !== document &&
(subWindow = document.defaultView) && subWindow.top !== subWindow) {
// Support: IE 11, Edge
if (subWindow.addEventListener) {
subWindow.addEventListener("unload", unloadHandler, false);
// Support: IE 9 - 10 only
} else if (subWindow.attachEvent) {
subWindow.attachEvent("onunload", unloadHandler);
}
}
/* Attributes
---------------------------------------------------------------------- */
// Support: IE<8
// Verify that getAttribute really returns attributes and not properties
// (excepting IE8 booleans)
support.attributes = assert(function(el) {
el.className = "i";
return !el.getAttribute("className");
});
/* getElement(s)By*
---------------------------------------------------------------------- */
// Check if getElementsByTagName("*") returns only elements
support.getElementsByTagName = assert(function(el) {
el.appendChild(document.createComment(""));
return !el.getElementsByTagName("*").length;
});
// Support: IE<9
support.getElementsByClassName = rnative.test(document.getElementsByClassName);
// Support: IE<10
// Check if getElementById returns elements by name
// The broken getElementById methods don't pick up programmatically-set names,
// so use a roundabout getElementsByName test
support.getById = assert(function(el) {
docElem.appendChild(el).id = expando;
return !document.getElementsByName || !document.getElementsByName(expando).length;
});
// ID filter and find
if (support.getById) {
Expr.filter["ID"] = function(id) {
var attrId = id.replace(runescape, funescape);
return function(elem) {
return elem.getAttribute("id") === attrId;
};
};
Expr.find["ID"] = function(id, context) {
if (typeof context.getElementById !== "undefined" && documentIsHTML) {
var elem = context.getElementById(id);
return elem ? [elem] : [];
}
};
} else {
Expr.filter["ID"] = function(id) {
var attrId = id.replace(runescape, funescape);
return function(elem) {
var node = typeof elem.getAttributeNode !== "undefined" &&
elem.getAttributeNode("id");
return node && node.value === attrId;
};
};
// Support: IE 6 - 7 only
// getElementById is not reliable as a find shortcut
Expr.find["ID"] = function(id, context) {
if (typeof context.getElementById !== "undefined" && documentIsHTML) {
var node, i, elems,
elem = context.getElementById(id);
if (elem) {
// Verify the id attribute
node = elem.getAttributeNode("id");
if (node && node.value === id) {
return [elem];
}
// Fall back on getElementsByName
elems = context.getElementsByName(id);
i = 0;
while ((elem = elems[i++])) {
node = elem.getAttributeNode("id");
if (node && node.value === id) {
return [elem];
}
}
}
return [];
}
};
}
// Tag
Expr.find["TAG"] = support.getElementsByTagName ?
function(tag, context) {
if (typeof context.getElementsByTagName !== "undefined") {
return context.getElementsByTagName(tag);
// DocumentFragment nodes don't have gEBTN
} else if (support.qsa) {
return context.querySelectorAll(tag);
}
} :
function(tag, context) {
var elem,
tmp = [],
i = 0,
// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
results = context.getElementsByTagName(tag);
// Filter out possible comments
if (tag === "*") {
while ((elem = results[i++])) {
if (elem.nodeType === 1) {
tmp.push(elem);
}
}
return tmp;
}
return results;
};
// Class
Expr.find["CLASS"] = support.getElementsByClassName && function(className, context) {
if (typeof context.getElementsByClassName !== "undefined" && documentIsHTML) {
return context.getElementsByClassName(className);
}
};
/* QSA/matchesSelector
---------------------------------------------------------------------- */
// QSA and matchesSelector support
// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
rbuggyMatches = [];
// qSa(:focus) reports false when true (Chrome 21)
// We allow this because of a bug in IE8/9 that throws an error
// whenever `document.activeElement` is accessed on an iframe
// So, we allow :focus to pass through QSA all the time to avoid the IE error
// See https://bugs.jquery.com/ticket/13378
rbuggyQSA = [];
if ((support.qsa = rnative.test(document.querySelectorAll))) {
// Build QSA regex
// Regex strategy adopted from Diego Perini
assert(function(el) {
// Select is set to empty string on purpose
// This is to test IE's treatment of not explicitly
// setting a boolean content attribute,
// since its presence should be enough
// https://bugs.jquery.com/ticket/12359
docElem.appendChild(el).innerHTML = "<a id='" + expando + "'></a>" +
"<select id='" + expando + "-\r\\' msallowcapture=''>" +
"<option selected=''></option></select>";
// Support: IE8, Opera 11-12.16
// Nothing should be selected when empty strings follow ^= or $= or *=
// The test attribute must be unknown in Opera but "safe" for WinRT
// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
if (el.querySelectorAll("[msallowcapture^='']").length) {
rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")");
}
// Support: IE8
// Boolean attributes and "value" are not treated correctly
if (!el.querySelectorAll("[selected]").length) {
rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")");
}
// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
if (!el.querySelectorAll("[id~=" + expando + "-]").length) {
rbuggyQSA.push("~=");
}
// Webkit/Opera - :checked should return selected option elements
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
// IE8 throws error here and will not see later tests
if (!el.querySelectorAll(":checked").length) {
rbuggyQSA.push(":checked");
}
// Support: Safari 8+, iOS 8+
// https://bugs.webkit.org/show_bug.cgi?id=136851
// In-page `selector#id sibling-combinator selector` fails
if (!el.querySelectorAll("a#" + expando + "+*").length) {
rbuggyQSA.push(".#.+[+~]");
}
});
assert(function(el) {
el.innerHTML = "<a href='' disabled='disabled'></a>" +
"<select disabled='disabled'><option/></select>";
// Support: Windows 8 Native Apps
// The type and name attributes are restricted during .innerHTML assignment
var input = document.createElement("input");
input.setAttribute("type", "hidden");
el.appendChild(input).setAttribute("name", "D");
// Support: IE8
// Enforce case-sensitivity of name attribute
if (el.querySelectorAll("[name=d]").length) {
rbuggyQSA.push("name" + whitespace + "*[*^$|!~]?=");
}
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
// IE8 throws error here and will not see later tests
if (el.querySelectorAll(":enabled").length !== 2) {
rbuggyQSA.push(":enabled", ":disabled");
}
// Support: IE9-11+
// IE's :disabled selector does not pick up the children of disabled fieldsets
docElem.appendChild(el).disabled = true;
if (el.querySelectorAll(":disabled").length !== 2) {
rbuggyQSA.push(":enabled", ":disabled");
}
// Opera 10-11 does not throw on post-comma invalid pseudos
el.querySelectorAll("*,:x");
rbuggyQSA.push(",.*:");
});
}
if ((support.matchesSelector = rnative.test((matches = docElem.matches ||
docElem.webkitMatchesSelector ||
docElem.mozMatchesSelector ||
docElem.oMatchesSelector ||
docElem.msMatchesSelector)))) {
assert(function(el) {
// Check to see if it's possible to do matchesSelector
// on a disconnected node (IE 9)
support.disconnectedMatch = matches.call(el, "*");
// This should fail with an exception
// Gecko does not error, returns false instead
matches.call(el, "[s!='']:x");
rbuggyMatches.push("!=", pseudos);
});
}
rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|"));
rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|"));
/* Contains
---------------------------------------------------------------------- */
hasCompare = rnative.test(docElem.compareDocumentPosition);
// Element contains another
// Purposefully self-exclusive
// As in, an element does not contain itself
contains = hasCompare || rnative.test(docElem.contains) ?
function(a, b) {
var adown = a.nodeType === 9 ? a.documentElement : a,
bup = b && b.parentNode;
return a === bup || !!(bup && bup.nodeType === 1 && (
adown.contains ?
adown.contains(bup) :
a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16
));
} :
function(a, b) {
if (b) {
while ((b = b.parentNode)) {
if (b === a) {
return true;
}
}
}
return false;
};
/* Sorting
---------------------------------------------------------------------- */
// Document order sorting
sortOrder = hasCompare ?
function(a, b) {
// Flag for duplicate removal
if (a === b) {
hasDuplicate = true;
return 0;
}
// Sort on method existence if only one input has compareDocumentPosition
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
if (compare) {
return compare;
}
// Calculate position if both inputs belong to the same document
compare = (a.ownerDocument || a) === (b.ownerDocument || b) ?
a.compareDocumentPosition(b) :
// Otherwise we know they are disconnected
1;
// Disconnected nodes
if (compare & 1 ||
(!support.sortDetached && b.compareDocumentPosition(a) === compare)) {
// Choose the first element that is related to our preferred document
if (a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a)) {
return -1;
}
if (b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b)) {
return 1;
}
// Maintain original order
return sortInput ?
(indexOf(sortInput, a) - indexOf(sortInput, b)) :
0;
}
return compare & 4 ? -1 : 1;
} :
function(a, b) {
// Exit early if the nodes are identical
if (a === b) {
hasDuplicate = true;
return 0;
}
var cur,
i = 0,
aup = a.parentNode,
bup = b.parentNode,
ap = [a],
bp = [b];
// Parentless nodes are either documents or disconnected
if (!aup || !bup) {
return a === document ? -1 :
b === document ? 1 :
aup ? -1 :
bup ? 1 :
sortInput ?
(indexOf(sortInput, a) - indexOf(sortInput, b)) :
0;
// If the nodes are siblings, we can do a quick check
} else if (aup === bup) {
return siblingCheck(a, b);
}
// Otherwise we need full lists of their ancestors for comparison
cur = a;
while ((cur = cur.parentNode)) {
ap.unshift(cur);
}
cur = b;
while ((cur = cur.parentNode)) {
bp.unshift(cur);
}
// Walk down the tree looking for a discrepancy
while (ap[i] === bp[i]) {
i++;
}
return i ?
// Do a sibling check if the nodes have a common ancestor
siblingCheck(ap[i], bp[i]) :
// Otherwise nodes in our document sort first
ap[i] === preferredDoc ? -1 :
bp[i] === preferredDoc ? 1 :
0;
};
return document;
};
Sizzle.matches = function(expr, elements) {
return Sizzle(expr, null, null, elements);
};
Sizzle.matchesSelector = function(elem, expr) {
// Set document vars if needed
if ((elem.ownerDocument || elem) !== document) {
setDocument(elem);
}
if (support.matchesSelector && documentIsHTML &&
!nonnativeSelectorCache[expr + " "] &&
(!rbuggyMatches || !rbuggyMatches.test(expr)) &&
(!rbuggyQSA || !rbuggyQSA.test(expr))) {
try {
var ret = matches.call(elem, expr);
// IE 9's matchesSelector returns false on disconnected nodes
if (ret || support.disconnectedMatch ||
// As well, disconnected nodes are said to be in a document
// fragment in IE 9
elem.document && elem.document.nodeType !== 11) {
return ret;
}
} catch (e) {
nonnativeSelectorCache(expr, true);
}
}
return Sizzle(expr, document, null, [elem]).length > 0;
};
Sizzle.contains = function(context, elem) {
// Set document vars if needed
if ((context.ownerDocument || context) !== document) {
setDocument(context);
}
return contains(context, elem);
};
Sizzle.attr = function(elem, name) {
// Set document vars if needed
if ((elem.ownerDocument || elem) !== document) {
setDocument(elem);
}
var fn = Expr.attrHandle[name.toLowerCase()],
// Don't get fooled by Object.prototype properties (jQuery #13807)
val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ?
fn(elem, name, !documentIsHTML) :
undefined;
return val !== undefined ?
val :
support.attributes || !documentIsHTML ?
elem.getAttribute(name) :
(val = elem.getAttributeNode(name)) && val.specified ?
val.value :
null;
};
Sizzle.escape = function(sel) {
return (sel + "").replace(rcssescape, fcssescape);
};
Sizzle.error = function(msg) {
throw new Error("Syntax error, unrecognized expression: " + msg);
};
/**
* Document sorting and removing duplicates
* @param {ArrayLike} results
*/
Sizzle.uniqueSort = function(results) {
var elem,
duplicates = [],
j = 0,
i = 0;
// Unless we *know* we can detect duplicates, assume their presence
hasDuplicate = !support.detectDuplicates;
sortInput = !support.sortStable && results.slice(0);
results.sort(sortOrder);
if (hasDuplicate) {
while ((elem = results[i++])) {
if (elem === results[i]) {
j = duplicates.push(i);
}
}
while (j--) {
results.splice(duplicates[j], 1);
}
}
// Clear input after sorting to release objects
// See https://github.com/jquery/sizzle/pull/225
sortInput = null;
return results;
};
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
getText = Sizzle.getText = function(elem) {
var node,
ret = "",
i = 0,
nodeType = elem.nodeType;
if (!nodeType) {
// If no nodeType, this is expected to be an array
while ((node = elem[i++])) {
// Do not traverse comment nodes
ret += getText(node);
}
} else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
// Use textContent for elements
// innerText usage removed for consistency of new lines (jQuery #11153)
if (typeof elem.textContent === "string") {
return elem.textContent;
} else {
// Traverse its children
for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
ret += getText(elem);
}
}
} else if (nodeType === 3 || nodeType === 4) {
return elem.nodeValue;
}
// Do not include comment or processing instruction nodes
return ret;
};
Expr = Sizzle.selectors = {
// Can be adjusted by the user
cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
attrHandle: {},
find: {},
relative: {
">": { dir: "parentNode", first: true },
" ": { dir: "parentNode" },
"+": { dir: "previousSibling", first: true },
"~": { dir: "previousSibling" }
},
preFilter: {
"ATTR": function(match) {
match[1] = match[1].replace(runescape, funescape);
// Move the given value to match[3] whether quoted or unquoted
match[3] = (match[3] || match[4] || match[5] || "").replace(runescape, funescape);
if (match[2] === "~=") {
match[3] = " " + match[3] + " ";
}
return match.slice(0, 4);
},
"CHILD": function(match) {
/* matches from matchExpr["CHILD"]
1 type (only|nth|...)
2 what (child|of-type)
3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
4 xn-component of xn+y argument ([+-]?\d*n|)
5 sign of xn-component
6 x of xn-component
7 sign of y-component
8 y of y-component
*/
match[1] = match[1].toLowerCase();
if (match[1].slice(0, 3) === "nth") {
// nth-* requires argument
if (!match[3]) {
Sizzle.error(match[0]);
}
// numeric x and y parameters for Expr.filter.CHILD
// remember that false/true cast respectively to 0/1
match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd"));
match[5] = +((match[7] + match[8]) || match[3] === "odd");
// other types prohibit arguments
} else if (match[3]) {
Sizzle.error(match[0]);
}
return match;
},
"PSEUDO": function(match) {
var excess,
unquoted = !match[6] && match[2];
if (matchExpr["CHILD"].test(match[0])) {
return null;
}
// Accept quoted arguments as-is
if (match[3]) {
match[2] = match[4] || match[5] || "";
// Strip excess characters from unquoted arguments
} else if (unquoted && rpseudo.test(unquoted) &&
// Get excess from tokenize (recursively)
(excess = tokenize(unquoted, true)) &&
// advance to the next closing parenthesis
(excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {
// excess is a negative index
match[0] = match[0].slice(0, excess);
match[2] = unquoted.slice(0, excess);
}
// Return only captures needed by the pseudo filter method (type and argument)
return match.slice(0, 3);
}
},
filter: {
"TAG": function(nodeNameSelector) {
var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
return nodeNameSelector === "*" ?
function() { return true; } :
function(elem) {
return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
};
},
"CLASS": function(className) {
var pattern = classCache[className + " "];
return pattern ||
(pattern = new RegExp("(^|" + whitespace + ")" + className + "(" + whitespace + "|$)")) &&
classCache(className, function(elem) {
return pattern.test(typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "");
});
},
"ATTR": function(name, operator, check) {
return function(elem) {
var result = Sizzle.attr(elem, name);
if (result == null) {
return operator === "!=";
}
if (!operator) {
return true;
}
result += "";
return operator === "=" ? result === check :
operator === "!=" ? result !== check :
operator === "^=" ? check && result.indexOf(check) === 0 :
operator === "*=" ? check && result.indexOf(check) > -1 :
operator === "$=" ? check && result.slice(-check.length) === check :
operator === "~=" ? (" " + result.replace(rwhitespace, " ") + " ").indexOf(check) > -1 :
operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" :
false;
};
},
"CHILD": function(type, what, argument, first, last) {
var simple = type.slice(0, 3) !== "nth",
forward = type.slice(-4) !== "last",
ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n)
function(elem) {
return !!elem.parentNode;
} :
function(elem, context, xml) {
var cache, uniqueCache, outerCache, node, nodeIndex, start,
dir = simple !== forward ? "nextSibling" : "previousSibling",
parent = elem.parentNode,
name = ofType && elem.nodeName.toLowerCase(),
useCache = !xml && !ofType,
diff = false;
if (parent) {
// :(first|last|only)-(child|of-type)
if (simple) {
while (dir) {
node = elem;
while ((node = node[dir])) {
if (ofType ?
node.nodeName.toLowerCase() === name :
node.nodeType === 1) {
return false;
}
}
// Reverse direction for :only-* (if we haven't yet done so)
start = dir = type === "only" && !start && "nextSibling";
}
return true;
}
start = [forward ? parent.firstChild : parent.lastChild];
// non-xml :nth-child(...) stores cache data on `parent`
if (forward && useCache) {
// Seek `elem` from a previously-cached index
// ...in a gzip-friendly way
node = parent;
outerCache = node[expando] || (node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
cache = uniqueCache[type] || [];
nodeIndex = cache[0] === dirruns && cache[1];
diff = nodeIndex && cache[2];
node = nodeIndex && parent.childNodes[nodeIndex];
while ((node = ++nodeIndex && node && node[dir] ||
// Fallback to seeking `elem` from the start
(diff = nodeIndex = 0) || start.pop())) {
// When found, cache indexes on `parent` and break
if (node.nodeType === 1 && ++diff && node === elem) {
uniqueCache[type] = [dirruns, nodeIndex, diff];
break;
}
}
} else {
// Use previously-cached element index if available
if (useCache) {
// ...in a gzip-friendly way
node = elem;
outerCache = node[expando] || (node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
cache = uniqueCache[type] || [];
nodeIndex = cache[0] === dirruns && cache[1];
diff = nodeIndex;
}
// xml :nth-child(...)
// or :nth-last-child(...) or :nth(-last)?-of-type(...)
if (diff === false) {
// Use the same loop as above to seek `elem` from the start
while ((node = ++nodeIndex && node && node[dir] ||
(diff = nodeIndex = 0) || start.pop())) {
if ((ofType ?
node.nodeName.toLowerCase() === name :
node.nodeType === 1) &&
++diff) {
// Cache the index of each encountered element
if (useCache) {
outerCache = node[expando] || (node[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[node.uniqueID] ||
(outerCache[node.uniqueID] = {});
uniqueCache[type] = [dirruns, diff];
}
if (node === elem) {
break;
}
}
}
}
}
// Incorporate the offset, then check against cycle size
diff -= last;
return diff === first || (diff % first === 0 && diff / first >= 0);
}
};
},
"PSEUDO": function(pseudo, argument) {
// pseudo-class names are case-insensitive
// http://www.w3.org/TR/selectors/#pseudo-classes
// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
// Remember that setFilters inherits from pseudos
var args,
fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] ||
Sizzle.error("unsupported pseudo: " + pseudo);
// The user may use createPseudo to indicate that
// arguments are needed to create the filter function
// just as Sizzle does
if (fn[expando]) {
return fn(argument);
}
// But maintain support for old signatures
if (fn.length > 1) {
args = [pseudo, pseudo, "", argument];
return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ?
markFunction(function(seed, matches) {
var idx,
matched = fn(seed, argument),
i = matched.length;
while (i--) {
idx = indexOf(seed, matched[i]);
seed[idx] = !(matches[idx] = matched[i]);
}
}) :
function(elem) {
return fn(elem, 0, args);
};
}
return fn;
}
},
pseudos: {
// Potentially complex pseudos
"not": markFunction(function(selector) {
// Trim the selector passed to compile
// to avoid treating leading and trailing
// spaces as combinators
var input = [],
results = [],
matcher = compile(selector.replace(rtrim, "$1"));
return matcher[expando] ?
markFunction(function(seed, matches, context, xml) {
var elem,
unmatched = matcher(seed, null, xml, []),
i = seed.length;
// Match elements unmatched by `matcher`
while (i--) {
if ((elem = unmatched[i])) {
seed[i] = !(matches[i] = elem);
}
}
}) :
function(elem, context, xml) {
input[0] = elem;
matcher(input, null, xml, results);
// Don't keep the element (issue #299)
input[0] = null;
return !results.pop();
};
}),
"has": markFunction(function(selector) {
return function(elem) {
return Sizzle(selector, elem).length > 0;
};
}),
"contains": markFunction(function(text) {
text = text.replace(runescape, funescape);
return function(elem) {
return (elem.textContent || getText(elem)).indexOf(text) > -1;
};
}),
// "Whether an element is represented by a :lang() selector
// is based solely on the element's language value
// being equal to the identifier C,
// or beginning with the identifier C immediately followed by "-".
// The matching of C against the element's language value is performed case-insensitively.
// The identifier C does not have to be a valid language name."
// http://www.w3.org/TR/selectors/#lang-pseudo
"lang": markFunction(function(lang) {
// lang value must be a valid identifier
if (!ridentifier.test(lang || "")) {
Sizzle.error("unsupported lang: " + lang);
}
lang = lang.replace(runescape, funescape).toLowerCase();
return function(elem) {
var elemLang;
do {
if ((elemLang = documentIsHTML ?
elem.lang :
elem.getAttribute("xml:lang") || elem.getAttribute("lang"))) {
elemLang = elemLang.toLowerCase();
return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
}
} while ((elem = elem.parentNode) && elem.nodeType === 1);
return false;
};
}),
// Miscellaneous
"target": function(elem) {
var hash = window.location && window.location.hash;
return hash && hash.slice(1) === elem.id;
},
"root": function(elem) {
return elem === docElem;
},
"focus": function(elem) {
return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
},
// Boolean properties
"enabled": createDisabledPseudo(false),
"disabled": createDisabledPseudo(true),
"checked": function(elem) {
// In CSS3, :checked should return both checked and selected elements
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
var nodeName = elem.nodeName.toLowerCase();
return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
},
"selected": function(elem) {
// Accessing this property makes selected-by-default
// options in Safari work properly
if (elem.parentNode) {
elem.parentNode.selectedIndex;
}
return elem.selected === true;
},
// Contents
"empty": function(elem) {
// http://www.w3.org/TR/selectors/#empty-pseudo
// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
// but not by others (comment: 8; processing instruction: 7; etc.)
// nodeType < 6 works because attributes (2) do not appear as children
for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
if (elem.nodeType < 6) {
return false;
}
}
return true;
},
"parent": function(elem) {
return !Expr.pseudos["empty"](elem);
},
// Element/input types
"header": function(elem) {
return rheader.test(elem.nodeName);
},
"input": function(elem) {
return rinputs.test(elem.nodeName);
},
"button": function(elem) {
var name = elem.nodeName.toLowerCase();
return name === "input" && elem.type === "button" || name === "button";
},
"text": function(elem) {
var attr;
return elem.nodeName.toLowerCase() === "input" &&
elem.type === "text" &&
// Support: IE<8
// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
((attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text");
},
// Position-in-collection
"first": createPositionalPseudo(function() {
return [0];
}),
"last": createPositionalPseudo(function(matchIndexes, length) {
return [length - 1];
}),
"eq": createPositionalPseudo(function(matchIndexes, length, argument) {
return [argument < 0 ? argument + length : argument];
}),
"even": createPositionalPseudo(function(matchIndexes, length) {
var i = 0;
for (; i < length; i += 2) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"odd": createPositionalPseudo(function(matchIndexes, length) {
var i = 1;
for (; i < length; i += 2) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"lt": createPositionalPseudo(function(matchIndexes, length, argument) {
var i = argument < 0 ?
argument + length :
argument > length ?
length :
argument;
for (; --i >= 0;) {
matchIndexes.push(i);
}
return matchIndexes;
}),
"gt": createPositionalPseudo(function(matchIndexes, length, argument) {
var i = argument < 0 ? argument + length : argument;
for (; ++i < length;) {
matchIndexes.push(i);
}
return matchIndexes;
})
}
};
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos
for (i in { radio: true, checkbox: true, file: true, password: true, image: true }) {
Expr.pseudos[i] = createInputPseudo(i);
}
for (i in { submit: true, reset: true }) {
Expr.pseudos[i] = createButtonPseudo(i);
}
// Easy API for creating new setFilters
function setFilters() {}
setFilters.prototype = Expr.filters = Expr.pseudos;
Expr.setFilters = new setFilters();
tokenize = Sizzle.tokenize = function(selector, parseOnly) {
var matched, match, tokens, type,
soFar, groups, preFilters,
cached = tokenCache[selector + " "];
if (cached) {
return parseOnly ? 0 : cached.slice(0);
}
soFar = selector;
groups = [];
preFilters = Expr.preFilter;
while (soFar) {
// Comma and first run
if (!matched || (match = rcomma.exec(soFar))) {
if (match) {
// Don't consume trailing commas as valid
soFar = soFar.slice(match[0].length) || soFar;
}
groups.push((tokens = []));
}
matched = false;
// Combinators
if ((match = rcombinators.exec(soFar))) {
matched = match.shift();
tokens.push({
value: matched,
// Cast descendant combinators to space
type: match[0].replace(rtrim, " ")
});
soFar = soFar.slice(matched.length);
}
// Filters
for (type in Expr.filter) {
if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] ||
(match = preFilters[type](match)))) {
matched = match.shift();
tokens.push({
value: matched,
type: type,
matches: match
});
soFar = soFar.slice(matched.length);
}
}
if (!matched) {
break;
}
}
// Return the length of the invalid excess
// if we're just parsing
// Otherwise, throw an error or return tokens
return parseOnly ?
soFar.length :
soFar ?
Sizzle.error(selector) :
// Cache the tokens
tokenCache(selector, groups).slice(0);
};
function toSelector(tokens) {
var i = 0,
len = tokens.length,
selector = "";
for (; i < len; i++) {
selector += tokens[i].value;
}
return selector;
}
function addCombinator(matcher, combinator, base) {
var dir = combinator.dir,
skip = combinator.next,
key = skip || dir,
checkNonElements = base && key === "parentNode",
doneName = done++;
return combinator.first ?
// Check against closest ancestor/preceding element
function(elem, context, xml) {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
return matcher(elem, context, xml);
}
}
return false;
} :
// Check against all ancestor/preceding elements
function(elem, context, xml) {
var oldCache, uniqueCache, outerCache,
newCache = [dirruns, doneName];
// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
if (xml) {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
if (matcher(elem, context, xml)) {
return true;
}
}
}
} else {
while ((elem = elem[dir])) {
if (elem.nodeType === 1 || checkNonElements) {
outerCache = elem[expando] || (elem[expando] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[elem.uniqueID] || (outerCache[elem.uniqueID] = {});
if (skip && skip === elem.nodeName.toLowerCase()) {
elem = elem[dir] || elem;
} else if ((oldCache = uniqueCache[key]) &&
oldCache[0] === dirruns && oldCache[1] === doneName) {
// Assign to newCache so results back-propagate to previous elements
return (newCache[2] = oldCache[2]);
} else {
// Reuse newcache so results back-propagate to previous elements
uniqueCache[key] = newCache;
// A match means we're done; a fail means we have to keep checking
if ((newCache[2] = matcher(elem, context, xml))) {
return true;
}
}
}
}
}
return false;
};
}
function elementMatcher(matchers) {
return matchers.length > 1 ?
function(elem, context, xml) {
var i = matchers.length;
while (i--) {
if (!matchers[i](elem, context, xml)) {
return false;
}
}
return true;
} :
matchers[0];
}
function multipleContexts(selector, contexts, results) {
var i = 0,
len = contexts.length;
for (; i < len; i++) {
Sizzle(selector, contexts[i], results);
}
return results;
}
function condense(unmatched, map, filter, context, xml) {
var elem,
newUnmatched = [],
i = 0,
len = unmatched.length,
mapped = map != null;
for (; i < len; i++) {
if ((elem = unmatched[i])) {
if (!filter || filter(elem, context, xml)) {
newUnmatched.push(elem);
if (mapped) {
map.push(i);
}
}
}
}
return newUnmatched;
}
function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
if (postFilter && !postFilter[expando]) {
postFilter = setMatcher(postFilter);
}
if (postFinder && !postFinder[expando]) {
postFinder = setMatcher(postFinder, postSelector);
}
return markFunction(function(seed, results, context, xml) {
var temp, i, elem,
preMap = [],
postMap = [],
preexisting = results.length,
// Get initial elements from seed or context
elems = seed || multipleContexts(selector || "*", context.nodeType ? [context] : context, []),
// Prefilter to get matcher input, preserving a map for seed-results synchronization
matcherIn = preFilter && (seed || !selector) ?
condense(elems, preMap, preFilter, context, xml) :
elems,
matcherOut = matcher ?
// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
postFinder || (seed ? preFilter : preexisting || postFilter) ?
// ...intermediate processing is necessary
[] :
// ...otherwise use results directly
results :
matcherIn;
// Find primary matches
if (matcher) {
matcher(matcherIn, matcherOut, context, xml);
}
// Apply postFilter
if (postFilter) {
temp = condense(matcherOut, postMap);
postFilter(temp, [], context, xml);
// Un-match failing elements by moving them back to matcherIn
i = temp.length;
while (i--) {
if ((elem = temp[i])) {
matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
}
}
}
if (seed) {
if (postFinder || preFilter) {
if (postFinder) {
// Get the final matcherOut by condensing this intermediate into postFinder contexts
temp = [];
i = matcherOut.length;
while (i--) {
if ((elem = matcherOut[i])) {
// Restore matcherIn since elem is not yet a final match
temp.push((matcherIn[i] = elem));
}
}
postFinder(null, (matcherOut = []), temp, xml);
}
// Move matched elements from seed to results to keep them synchronized
i = matcherOut.length;
while (i--) {
if ((elem = matcherOut[i]) &&
(temp = postFinder ? indexOf(seed, elem) : preMap[i]) > -1) {
seed[temp] = !(results[temp] = elem);
}
}
}
// Add elements to results, through postFinder if defined
} else {
matcherOut = condense(
matcherOut === results ?
matcherOut.splice(preexisting, matcherOut.length) :
matcherOut
);
if (postFinder) {
postFinder(null, results, matcherOut, xml);
} else {
push.apply(results, matcherOut);
}
}
});
}
function matcherFromTokens(tokens) {
var checkContext, matcher, j,
len = tokens.length,
leadingRelative = Expr.relative[tokens[0].type],
implicitRelative = leadingRelative || Expr.relative[" "],
i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s)
matchContext = addCombinator(function(elem) {
return elem === checkContext;
}, implicitRelative, true),
matchAnyContext = addCombinator(function(elem) {
return indexOf(checkContext, elem) > -1;
}, implicitRelative, true),
matchers = [function(elem, context, xml) {
var ret = (!leadingRelative && (xml || context !== outermostContext)) || (
(checkContext = context).nodeType ?
matchContext(elem, context, xml) :
matchAnyContext(elem, context, xml));
// Avoid hanging onto element (issue #299)
checkContext = null;
return ret;
}];
for (; i < len; i++) {
if ((matcher = Expr.relative[tokens[i].type])) {
matchers = [addCombinator(elementMatcher(matchers), matcher)];
} else {
matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches);
// Return special upon seeing a positional matcher
if (matcher[expando]) {
// Find the next relative operator (if any) for proper handling
j = ++i;
for (; j < len; j++) {
if (Expr.relative[tokens[j].type]) {
break;
}
}
return setMatcher(
i > 1 && elementMatcher(matchers),
i > 1 && toSelector(
// If the preceding token was a descendant combinator, insert an implicit any-element `*`
tokens.slice(0, i - 1).concat({ value: tokens[i - 2].type === " " ? "*" : "" })
).replace(rtrim, "$1"),
matcher,
i < j && matcherFromTokens(tokens.slice(i, j)),
j < len && matcherFromTokens((tokens = tokens.slice(j))),
j < len && toSelector(tokens)
);
}
matchers.push(matcher);
}
}
return elementMatcher(matchers);
}
function matcherFromGroupMatchers(elementMatchers, setMatchers) {
var bySet = setMatchers.length > 0,
byElement = elementMatchers.length > 0,
superMatcher = function(seed, context, xml, results, outermost) {
var elem, j, matcher,
matchedCount = 0,
i = "0",
unmatched = seed && [],
setMatched = [],
contextBackup = outermostContext,
// We must always have either seed elements or outermost context
elems = seed || byElement && Expr.find["TAG"]("*", outermost),
// Use integer dirruns iff this is the outermost matcher
dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
len = elems.length;
if (outermost) {
outermostContext = context === document || context || outermost;
}
// Add elements passing elementMatchers directly to results
// Support: IE<9, Safari
// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
for (; i !== len && (elem = elems[i]) != null; i++) {
if (byElement && elem) {
j = 0;
if (!context && elem.ownerDocument !== document) {
setDocument(elem);
xml = !documentIsHTML;
}
while ((matcher = elementMatchers[j++])) {
if (matcher(elem, context || document, xml)) {
results.push(elem);
break;
}
}
if (outermost) {
dirruns = dirrunsUnique;
}
}
// Track unmatched elements for set filters
if (bySet) {
// They will have gone through all possible matchers
if ((elem = !matcher && elem)) {
matchedCount--;
}
// Lengthen the array for every element, matched or not
if (seed) {
unmatched.push(elem);
}
}
}
// `i` is now the count of elements visited above, and adding it to `matchedCount`
// makes the latter nonnegative.
matchedCount += i;
// Apply set filters to unmatched elements
// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
// no element matchers and no seed.
// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
// case, which will result in a "00" `matchedCount` that differs from `i` but is also
// numerically zero.
if (bySet && i !== matchedCount) {
j = 0;
while ((matcher = setMatchers[j++])) {
matcher(unmatched, setMatched, context, xml);
}
if (seed) {
// Reintegrate element matches to eliminate the need for sorting
if (matchedCount > 0) {
while (i--) {
if (!(unmatched[i] || setMatched[i])) {
setMatched[i] = pop.call(results);
}
}
}
// Discard index placeholder values to get only actual matches
setMatched = condense(setMatched);
}
// Add matches to results
push.apply(results, setMatched);
// Seedless set matches succeeding multiple successful matchers stipulate sorting
if (outermost && !seed && setMatched.length > 0 &&
(matchedCount + setMatchers.length) > 1) {
Sizzle.uniqueSort(results);
}
}
// Override manipulation of globals by nested matchers
if (outermost) {
dirruns = dirrunsUnique;
outermostContext = contextBackup;
}
return unmatched;
};
return bySet ?
markFunction(superMatcher) :
superMatcher;
}
compile = Sizzle.compile = function(selector, match /* Internal Use Only */ ) {
var i,
setMatchers = [],
elementMatchers = [],
cached = compilerCache[selector + " "];
if (!cached) {
// Generate a function of recursive functions that can be used to check each element
if (!match) {
match = tokenize(selector);
}
i = match.length;
while (i--) {
cached = matcherFromTokens(match[i]);
if (cached[expando]) {
setMatchers.push(cached);
} else {
elementMatchers.push(cached);
}
}
// Cache the compiled function
cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers));
// Save selector and tokenization
cached.selector = selector;
}
return cached;
};
/**
* A low-level selection function that works with Sizzle's compiled
* selector functions
* @param {String|Function} selector A selector or a pre-compiled
* selector function built with Sizzle.compile
* @param {Element} context
* @param {Array} [results]
* @param {Array} [seed] A set of elements to match against
*/
select = Sizzle.select = function(selector, context, results, seed) {
var i, tokens, token, type, find,
compiled = typeof selector === "function" && selector,
match = !seed && tokenize((selector = compiled.selector || selector));
results = results || [];
// Try to minimize operations if there is only one selector in the list and no seed
// (the latter of which guarantees us context)
if (match.length === 1) {
// Reduce context if the leading compound selector is an ID
tokens = match[0] = match[0].slice(0);
if (tokens.length > 2 && (token = tokens[0]).type === "ID" &&
context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) {
context = (Expr.find["ID"](token.matches[0].replace(runescape, funescape), context) || [])[0];
if (!context) {
return results;
// Precompiled matchers will still verify ancestry, so step up a level
} else if (compiled) {
context = context.parentNode;
}
selector = selector.slice(tokens.shift().value.length);
}
// Fetch a seed set for right-to-left matching
i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length;
while (i--) {
token = tokens[i];
// Abort if we hit a combinator
if (Expr.relative[(type = token.type)]) {
break;
}
if ((find = Expr.find[type])) {
// Search, expanding context for leading sibling combinators
if ((seed = find(
token.matches[0].replace(runescape, funescape),
rsibling.test(tokens[0].type) && testContext(context.parentNode) || context
))) {
// If seed is empty or no tokens remain, we can return early
tokens.splice(i, 1);
selector = seed.length && toSelector(tokens);
if (!selector) {
push.apply(results, seed);
return results;
}
break;
}
}
}
}
// Compile and execute a filtering function if one is not provided
// Provide `match` to avoid retokenization if we modified the selector above
(compiled || compile(selector, match))(
seed,
context, !documentIsHTML,
results, !context || rsibling.test(selector) && testContext(context.parentNode) || context
);
return results;
};
// One-time assignments
// Sort stability
support.sortStable = expando.split("").sort(sortOrder).join("") === expando;
// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
support.detectDuplicates = !!hasDuplicate;
// Initialize against the default document
setDocument();
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
// Detached nodes confoundingly follow *each other*
support.sortDetached = assert(function(el) {
// Should return 1, but returns 4 (following)
return el.compareDocumentPosition(document.createElement("fieldset")) & 1;
});
// Support: IE<8
// Prevent attribute/property "interpolation"
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
if (!assert(function(el) {
el.innerHTML = "<a href='#'></a>";
return el.firstChild.getAttribute("href") === "#";
})) {
addHandle("type|href|height|width", function(elem, name, isXML) {
if (!isXML) {
return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2);
}
});
}
// Support: IE<9
// Use defaultValue in place of getAttribute("value")
if (!support.attributes || !assert(function(el) {
el.innerHTML = "<input/>";
el.firstChild.setAttribute("value", "");
return el.firstChild.getAttribute("value") === "";
})) {
addHandle("value", function(elem, name, isXML) {
if (!isXML && elem.nodeName.toLowerCase() === "input") {
return elem.defaultValue;
}
});
}
// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
if (!assert(function(el) {
return el.getAttribute("disabled") == null;
})) {
addHandle(booleans, function(elem, name, isXML) {
var val;
if (!isXML) {
return elem[name] === true ? name.toLowerCase() :
(val = elem.getAttributeNode(name)) && val.specified ?
val.value :
null;
}
});
}
return Sizzle;
})(window);
jQuery.find = Sizzle;
jQuery.expr = Sizzle.selectors;
// Deprecated
jQuery.expr[":"] = jQuery.expr.pseudos;
jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
jQuery.text = Sizzle.getText;
jQuery.isXMLDoc = Sizzle.isXML;
jQuery.contains = Sizzle.contains;
jQuery.escapeSelector = Sizzle.escape;
var dir = function(elem, dir, until) {
var matched = [],
truncate = until !== undefined;
while ((elem = elem[dir]) && elem.nodeType !== 9) {
if (elem.nodeType === 1) {
if (truncate && jQuery(elem).is(until)) {
break;
}
matched.push(elem);
}
}
return matched;
};
var siblings = function(n, elem) {
var matched = [];
for (; n; n = n.nextSibling) {
if (n.nodeType === 1 && n !== elem) {
matched.push(n);
}
}
return matched;
};
var rneedsContext = jQuery.expr.match.needsContext;
function nodeName(elem, name) {
return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
};
var rsingleTag = (/^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i);
// Implement the identical functionality for filter and not
function winnow(elements, qualifier, not) {
if (isFunction(qualifier)) {
return jQuery.grep(elements, function(elem, i) {
return !!qualifier.call(elem, i, elem) !== not;
});
}
// Single element
if (qualifier.nodeType) {
return jQuery.grep(elements, function(elem) {
return (elem === qualifier) !== not;
});
}
// Arraylike of elements (jQuery, arguments, Array)
if (typeof qualifier !== "string") {
return jQuery.grep(elements, function(elem) {
return (indexOf.call(qualifier, elem) > -1) !== not;
});
}
// Filtered directly for both simple and complex selectors
return jQuery.filter(qualifier, elements, not);
}
jQuery.filter = function(expr, elems, not) {
var elem = elems[0];
if (not) {
expr = ":not(" + expr + ")";
}
if (elems.length === 1 && elem.nodeType === 1) {
return jQuery.find.matchesSelector(elem, expr) ? [elem] : [];
}
return jQuery.find.matches(expr, jQuery.grep(elems, function(elem) {
return elem.nodeType === 1;
}));
};
jQuery.fn.extend({
find: function(selector) {
var i, ret,
len = this.length,
self = this;
if (typeof selector !== "string") {
return this.pushStack(jQuery(selector).filter(function() {
for (i = 0; i < len; i++) {
if (jQuery.contains(self[i], this)) {
return true;
}
}
}));
}
ret = this.pushStack([]);
for (i = 0; i < len; i++) {
jQuery.find(selector, self[i], ret);
}
return len > 1 ? jQuery.uniqueSort(ret) : ret;
},
filter: function(selector) {
return this.pushStack(winnow(this, selector || [], false));
},
not: function(selector) {
return this.pushStack(winnow(this, selector || [], true));
},
is: function(selector) {
return !!winnow(
this,
// If this is a positional/relative selector, check membership in the returned set
// so $("p:first").is("p:last") won't return true for a doc with two "p".
typeof selector === "string" && rneedsContext.test(selector) ?
jQuery(selector) :
selector || [],
false
).length;
}
});
// Initialize a jQuery object
// A central reference to the root jQuery(document)
var rootjQuery,
// A simple way to check for HTML strings
// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
// Strict HTML recognition (#11290: must start with <)
// Shortcut simple #id case for speed
rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
init = jQuery.fn.init = function(selector, context, root) {
var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false)
if (!selector) {
return this;
}
// Method init() accepts an alternate rootjQuery
// so migrate can support jQuery.sub (gh-2101)
root = root || rootjQuery;
// Handle HTML strings
if (typeof selector === "string") {
if (selector[0] === "<" &&
selector[selector.length - 1] === ">" &&
selector.length >= 3) {
// Assume that strings that start and end with <> are HTML and skip the regex check
match = [null, selector, null];
} else {
match = rquickExpr.exec(selector);
}
// Match html or make sure no context is specified for #id
if (match && (match[1] || !context)) {
// HANDLE: $(html) -> $(array)
if (match[1]) {
context = context instanceof jQuery ? context[0] : context;
// Option to run scripts is true for back-compat
// Intentionally let the error be thrown if parseHTML is not present
jQuery.merge(this, jQuery.parseHTML(
match[1],
context && context.nodeType ? context.ownerDocument || context : document,
true
));
// HANDLE: $(html, props)
if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
for (match in context) {
// Properties of context are called as methods if possible
if (isFunction(this[match])) {
this[match](context[match]);
// ...and otherwise set as attributes
} else {
this.attr(match, context[match]);
}
}
}
return this;
// HANDLE: $(#id)
} else {
elem = document.getElementById(match[2]);
if (elem) {
// Inject the element directly into the jQuery object
this[0] = elem;
this.length = 1;
}
return this;
}
// HANDLE: $(expr, $(...))
} else if (!context || context.jquery) {
return (context || root).find(selector);
// HANDLE: $(expr, context)
// (which is just equivalent to: $(context).find(expr)
} else {
return this.constructor(context).find(selector);
}
// HANDLE: $(DOMElement)
} else if (selector.nodeType) {
this[0] = selector;
this.length = 1;
return this;
// HANDLE: $(function)
// Shortcut for document ready
} else if (isFunction(selector)) {
return root.ready !== undefined ?
root.ready(selector) :
// Execute immediately if ready is not present
selector(jQuery);
}
return jQuery.makeArray(selector, this);
};
// Give the init function the jQuery prototype for later instantiation
init.prototype = jQuery.fn;
// Initialize central reference
rootjQuery = jQuery(document);
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// Methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = {
children: true,
contents: true,
next: true,
prev: true
};
jQuery.fn.extend({
has: function(target) {
var targets = jQuery(target, this),
l = targets.length;
return this.filter(function() {
var i = 0;
for (; i < l; i++) {
if (jQuery.contains(this, targets[i])) {
return true;
}
}
});
},
closest: function(selectors, context) {
var cur,
i = 0,
l = this.length,
matched = [],
targets = typeof selectors !== "string" && jQuery(selectors);
// Positional selectors never match, since there's no _selection_ context
if (!rneedsContext.test(selectors)) {
for (; i < l; i++) {
for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) {
// Always skip document fragments
if (cur.nodeType < 11 && (targets ?
targets.index(cur) > -1 :
// Don't pass non-elements to Sizzle
cur.nodeType === 1 &&
jQuery.find.matchesSelector(cur, selectors))) {
matched.push(cur);
break;
}
}
}
}
return this.pushStack(matched.length > 1 ? jQuery.uniqueSort(matched) : matched);
},
// Determine the position of an element within the set
index: function(elem) {
// No argument, return index in parent
if (!elem) {
return (this[0] && this[0].parentNode) ? this.first().prevAll().length : -1;
}
// Index in selector
if (typeof elem === "string") {
return indexOf.call(jQuery(elem), this[0]);
}
// Locate the position of the desired element
return indexOf.call(this,
// If it receives a jQuery object, the first element is used
elem.jquery ? elem[0] : elem
);
},
add: function(selector, context) {
return this.pushStack(
jQuery.uniqueSort(
jQuery.merge(this.get(), jQuery(selector, context))
)
);
},
addBack: function(selector) {
return this.add(selector == null ?
this.prevObject : this.prevObject.filter(selector)
);
}
});
function sibling(cur, dir) {
while ((cur = cur[dir]) && cur.nodeType !== 1) {}
return cur;
}
jQuery.each({
parent: function(elem) {
var parent = elem.parentNode;
return parent && parent.nodeType !== 11 ? parent : null;
},
parents: function(elem) {
return dir(elem, "parentNode");
},
parentsUntil: function(elem, i, until) {
return dir(elem, "parentNode", until);
},
next: function(elem) {
return sibling(elem, "nextSibling");
},
prev: function(elem) {
return sibling(elem, "previousSibling");
},
nextAll: function(elem) {
return dir(elem, "nextSibling");
},
prevAll: function(elem) {
return dir(elem, "previousSibling");
},
nextUntil: function(elem, i, until) {
return dir(elem, "nextSibling", until);
},
prevUntil: function(elem, i, until) {
return dir(elem, "previousSibling", until);
},
siblings: function(elem) {
return siblings((elem.parentNode || {}).firstChild, elem);
},
children: function(elem) {
return siblings(elem.firstChild);
},
contents: function(elem) {
if (typeof elem.contentDocument !== "undefined") {
return elem.contentDocument;
}
// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
// Treat the template element as a regular one in browsers that
// don't support it.
if (nodeName(elem, "template")) {
elem = elem.content || elem;
}
return jQuery.merge([], elem.childNodes);
}
}, function(name, fn) {
jQuery.fn[name] = function(until, selector) {
var matched = jQuery.map(this, fn, until);
if (name.slice(-5) !== "Until") {
selector = until;
}
if (selector && typeof selector === "string") {
matched = jQuery.filter(selector, matched);
}
if (this.length > 1) {
// Remove duplicates
if (!guaranteedUnique[name]) {
jQuery.uniqueSort(matched);
}
// Reverse order for parents* and prev-derivatives
if (rparentsprev.test(name)) {
matched.reverse();
}
}
return this.pushStack(matched);
};
});
var rnothtmlwhite = (/[^\x20\t\r\n\f]+/g);
// Convert String-formatted options into Object-formatted ones
function createOptions(options) {
var object = {};
jQuery.each(options.match(rnothtmlwhite) || [], function(_, flag) {
object[flag] = true;
});
return object;
}
/*
* Create a callback list using the following parameters:
*
* options: an optional list of space-separated options that will change how
* the callback list behaves or a more traditional option object
*
* By default a callback list will act like an event callback list and can be
* "fired" multiple times.
*
* Possible options:
*
* once: will ensure the callback list can only be fired once (like a Deferred)
*
* memory: will keep track of previous values and will call any callback added
* after the list has been fired right away with the latest "memorized"
* values (like a Deferred)
*
* unique: will ensure a callback can only be added once (no duplicate in the list)
*
* stopOnFalse: interrupt callings when a callback returns false
*
*/
jQuery.Callbacks = function(options) {
// Convert options from String-formatted to Object-formatted if needed
// (we check in cache first)
options = typeof options === "string" ?
createOptions(options) :
jQuery.extend({}, options);
var // Flag to know if list is currently firing
firing,
// Last fire value for non-forgettable lists
memory,
// Flag to know if list was already fired
fired,
// Flag to prevent firing
locked,
// Actual callback list
list = [],
// Queue of execution data for repeatable lists
queue = [],
// Index of currently firing callback (modified by add/remove as needed)
firingIndex = -1,
// Fire callbacks
fire = function() {
// Enforce single-firing
locked = locked || options.once;
// Execute callbacks for all pending executions,
// respecting firingIndex overrides and runtime changes
fired = firing = true;
for (; queue.length; firingIndex = -1) {
memory = queue.shift();
while (++firingIndex < list.length) {
// Run callback and check for early termination
if (list[firingIndex].apply(memory[0], memory[1]) === false &&
options.stopOnFalse) {
// Jump to end and forget the data so .add doesn't re-fire
firingIndex = list.length;
memory = false;
}
}
}
// Forget the data if we're done with it
if (!options.memory) {
memory = false;
}
firing = false;
// Clean up if we're done firing for good
if (locked) {
// Keep an empty list if we have data for future add calls
if (memory) {
list = [];
// Otherwise, this object is spent
} else {
list = "";
}
}
},
// Actual Callbacks object
self = {
// Add a callback or a collection of callbacks to the list
add: function() {
if (list) {
// If we have memory from a past run, we should fire after adding
if (memory && !firing) {
firingIndex = list.length - 1;
queue.push(memory);
}
(function add(args) {
jQuery.each(args, function(_, arg) {
if (isFunction(arg)) {
if (!options.unique || !self.has(arg)) {
list.push(arg);
}
} else if (arg && arg.length && toType(arg) !== "string") {
// Inspect recursively
add(arg);
}
});
})(arguments);
if (memory && !firing) {
fire();
}
}
return this;
},
// Remove a callback from the list
remove: function() {
jQuery.each(arguments, function(_, arg) {
var index;
while ((index = jQuery.inArray(arg, list, index)) > -1) {
list.splice(index, 1);
// Handle firing indexes
if (index <= firingIndex) {
firingIndex--;
}
}
});
return this;
},
// Check if a given callback is in the list.
// If no argument is given, return whether or not list has callbacks attached.
has: function(fn) {
return fn ?
jQuery.inArray(fn, list) > -1 :
list.length > 0;
},
// Remove all callbacks from the list
empty: function() {
if (list) {
list = [];
}
return this;
},
// Disable .fire and .add
// Abort any current/pending executions
// Clear all callbacks and values
disable: function() {
locked = queue = [];
list = memory = "";
return this;
},
disabled: function() {
return !list;
},
// Disable .fire
// Also disable .add unless we have memory (since it would have no effect)
// Abort any pending executions
lock: function() {
locked = queue = [];
if (!memory && !firing) {
list = memory = "";
}
return this;
},
locked: function() {
return !!locked;
},
// Call all callbacks with the given context and arguments
fireWith: function(context, args) {
if (!locked) {
args = args || [];
args = [context, args.slice ? args.slice() : args];
queue.push(args);
if (!firing) {
fire();
}
}
return this;
},
// Call all the callbacks with the given arguments
fire: function() {
self.fireWith(this, arguments);
return this;
},
// To know if the callbacks have already been called at least once
fired: function() {
return !!fired;
}
};
return self;
};
function Identity(v) {
return v;
}
function Thrower(ex) {
throw ex;
}
function adoptValue(value, resolve, reject, noValue) {
var method;
try {
// Check for promise aspect first to privilege synchronous behavior
if (value && isFunction((method = value.promise))) {
method.call(value).done(resolve).fail(reject);
// Other thenables
} else if (value && isFunction((method = value.then))) {
method.call(value, resolve, reject);
// Other non-thenables
} else {
// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
// * false: [ value ].slice( 0 ) => resolve( value )
// * true: [ value ].slice( 1 ) => resolve()
resolve.apply(undefined, [value].slice(noValue));
}
// For Promises/A+, convert exceptions into rejections
// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
// Deferred#then to conditionally suppress rejection.
} catch (value) {
// Support: Android 4.0 only
// Strict mode functions invoked without .call/.apply get global-object context
reject.apply(undefined, [value]);
}
}
jQuery.extend({
Deferred: function(func) {
var tuples = [
// action, add listener, callbacks,
// ... .then handlers, argument index, [final state]
["notify", "progress", jQuery.Callbacks("memory"),
jQuery.Callbacks("memory"), 2
],
["resolve", "done", jQuery.Callbacks("once memory"),
jQuery.Callbacks("once memory"), 0, "resolved"
],
["reject", "fail", jQuery.Callbacks("once memory"),
jQuery.Callbacks("once memory"), 1, "rejected"
]
],
state = "pending",
promise = {
state: function() {
return state;
},
always: function() {
deferred.done(arguments).fail(arguments);
return this;
},
"catch": function(fn) {
return promise.then(null, fn);
},
// Keep pipe for back-compat
pipe: function( /* fnDone, fnFail, fnProgress */ ) {
var fns = arguments;
return jQuery.Deferred(function(newDefer) {
jQuery.each(tuples, function(i, tuple) {
// Map tuples (progress, done, fail) to arguments (done, fail, progress)
var fn = isFunction(fns[tuple[4]]) && fns[tuple[4]];
// deferred.progress(function() { bind to newDefer or newDefer.notify })
// deferred.done(function() { bind to newDefer or newDefer.resolve })
// deferred.fail(function() { bind to newDefer or newDefer.reject })
deferred[tuple[1]](function() {
var returned = fn && fn.apply(this, arguments);
if (returned && isFunction(returned.promise)) {
returned.promise()
.progress(newDefer.notify)
.done(newDefer.resolve)
.fail(newDefer.reject);
} else {
newDefer[tuple[0] + "With"](
this,
fn ? [returned] : arguments
);
}
});
});
fns = null;
}).promise();
},
then: function(onFulfilled, onRejected, onProgress) {
var maxDepth = 0;
function resolve(depth, deferred, handler, special) {
return function() {
var that = this,
args = arguments,
mightThrow = function() {
var returned, then;
// Support: Promises/A+ section 2.3.3.3.3
// https://promisesaplus.com/#point-59
// Ignore double-resolution attempts
if (depth < maxDepth) {
return;
}
returned = handler.apply(that, args);
// Support: Promises/A+ section 2.3.1
// https://promisesaplus.com/#point-48
if (returned === deferred.promise()) {
throw new TypeError("Thenable self-resolution");
}
// Support: Promises/A+ sections 2.3.3.1, 3.5
// https://promisesaplus.com/#point-54
// https://promisesaplus.com/#point-75
// Retrieve `then` only once
then = returned &&
// Support: Promises/A+ section 2.3.4
// https://promisesaplus.com/#point-64
// Only check objects and functions for thenability
(typeof returned === "object" ||
typeof returned === "function") &&
returned.then;
// Handle a returned thenable
if (isFunction(then)) {
// Special processors (notify) just wait for resolution
if (special) {
then.call(
returned,
resolve(maxDepth, deferred, Identity, special),
resolve(maxDepth, deferred, Thrower, special)
);
// Normal processors (resolve) also hook into progress
} else {
// ...and disregard older resolution values
maxDepth++;
then.call(
returned,
resolve(maxDepth, deferred, Identity, special),
resolve(maxDepth, deferred, Thrower, special),
resolve(maxDepth, deferred, Identity,
deferred.notifyWith)
);
}
// Handle all other returned values
} else {
// Only substitute handlers pass on context
// and multiple values (non-spec behavior)
if (handler !== Identity) {
that = undefined;
args = [returned];
}
// Process the value(s)
// Default process is resolve
(special || deferred.resolveWith)(that, args);
}
},
// Only normal processors (resolve) catch and reject exceptions
process = special ?
mightThrow :
function() {
try {
mightThrow();
} catch (e) {
if (jQuery.Deferred.exceptionHook) {
jQuery.Deferred.exceptionHook(e,
process.stackTrace);
}
// Support: Promises/A+ section 2.3.3.3.4.1
// https://promisesaplus.com/#point-61
// Ignore post-resolution exceptions
if (depth + 1 >= maxDepth) {
// Only substitute handlers pass on context
// and multiple values (non-spec behavior)
if (handler !== Thrower) {
that = undefined;
args = [e];
}
deferred.rejectWith(that, args);
}
}
};
// Support: Promises/A+ section 2.3.3.3.1
// https://promisesaplus.com/#point-57
// Re-resolve promises immediately to dodge false rejection from
// subsequent errors
if (depth) {
process();
} else {
// Call an optional hook to record the stack, in case of exception
// since it's otherwise lost when execution goes async
if (jQuery.Deferred.getStackHook) {
process.stackTrace = jQuery.Deferred.getStackHook();
}
window.setTimeout(process);
}
};
}
return jQuery.Deferred(function(newDefer) {
// progress_handlers.add( ... )
tuples[0][3].add(
resolve(
0,
newDefer,
isFunction(onProgress) ?
onProgress :
Identity,
newDefer.notifyWith
)
);
// fulfilled_handlers.add( ... )
tuples[1][3].add(
resolve(
0,
newDefer,
isFunction(onFulfilled) ?
onFulfilled :
Identity
)
);
// rejected_handlers.add( ... )
tuples[2][3].add(
resolve(
0,
newDefer,
isFunction(onRejected) ?
onRejected :
Thrower
)
);
}).promise();
},
// Get a promise for this deferred
// If obj is provided, the promise aspect is added to the object
promise: function(obj) {
return obj != null ? jQuery.extend(obj, promise) : promise;
}
},
deferred = {};
// Add list-specific methods
jQuery.each(tuples, function(i, tuple) {
var list = tuple[2],
stateString = tuple[5];
// promise.progress = list.add
// promise.done = list.add
// promise.fail = list.add
promise[tuple[1]] = list.add;
// Handle state
if (stateString) {
list.add(
function() {
// state = "resolved" (i.e., fulfilled)
// state = "rejected"
state = stateString;
},
// rejected_callbacks.disable
// fulfilled_callbacks.disable
tuples[3 - i][2].disable,
// rejected_handlers.disable
// fulfilled_handlers.disable
tuples[3 - i][3].disable,
// progress_callbacks.lock
tuples[0][2].lock,
// progress_handlers.lock
tuples[0][3].lock
);
}
// progress_handlers.fire
// fulfilled_handlers.fire
// rejected_handlers.fire
list.add(tuple[3].fire);
// deferred.notify = function() { deferred.notifyWith(...) }
// deferred.resolve = function() { deferred.resolveWith(...) }
// deferred.reject = function() { deferred.rejectWith(...) }
deferred[tuple[0]] = function() {
deferred[tuple[0] + "With"](this === deferred ? undefined : this, arguments);
return this;
};
// deferred.notifyWith = list.fireWith
// deferred.resolveWith = list.fireWith
// deferred.rejectWith = list.fireWith
deferred[tuple[0] + "With"] = list.fireWith;
});
// Make the deferred a promise
promise.promise(deferred);
// Call given func if any
if (func) {
func.call(deferred, deferred);
}
// All done!
return deferred;
},
// Deferred helper
when: function(singleValue) {
var
// count of uncompleted subordinates
remaining = arguments.length,
// count of unprocessed arguments
i = remaining,
// subordinate fulfillment data
resolveContexts = Array(i),
resolveValues = slice.call(arguments),
// the master Deferred
master = jQuery.Deferred(),
// subordinate callback factory
updateFunc = function(i) {
return function(value) {
resolveContexts[i] = this;
resolveValues[i] = arguments.length > 1 ? slice.call(arguments) : value;
if (!(--remaining)) {
master.resolveWith(resolveContexts, resolveValues);
}
};
};
// Single- and empty arguments are adopted like Promise.resolve
if (remaining <= 1) {
adoptValue(singleValue, master.done(updateFunc(i)).resolve, master.reject, !remaining);
// Use .then() to unwrap secondary thenables (cf. gh-3000)
if (master.state() === "pending" ||
isFunction(resolveValues[i] && resolveValues[i].then)) {
return master.then();
}
}
// Multiple arguments are aggregated like Promise.all array elements
while (i--) {
adoptValue(resolveValues[i], updateFunc(i), master.reject);
}
return master.promise();
}
});
// These usually indicate a programmer mistake during development,
// warn about them ASAP rather than swallowing them by default.
var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
jQuery.Deferred.exceptionHook = function(error, stack) {
// Support: IE 8 - 9 only
// Console exists when dev tools are open, which can happen at any time
if (window.console && window.console.warn && error && rerrorNames.test(error.name)) {
window.console.warn("jQuery.Deferred exception: " + error.message, error.stack, stack);
}
};
jQuery.readyException = function(error) {
window.setTimeout(function() {
throw error;
});
};
// The deferred used on DOM ready
var readyList = jQuery.Deferred();
jQuery.fn.ready = function(fn) {
readyList
.then(fn)
// Wrap jQuery.readyException in a function so that the lookup
// happens at the time of error handling instead of callback
// registration.
.catch(function(error) {
jQuery.readyException(error);
});
return this;
};
jQuery.extend({
// Is the DOM ready to be used? Set to true once it occurs.
isReady: false,
// A counter to track how many items to wait for before
// the ready event fires. See #6781
readyWait: 1,
// Handle when the DOM is ready
ready: function(wait) {
// Abort if there are pending holds or we're already ready
if (wait === true ? --jQuery.readyWait : jQuery.isReady) {
return;
}
// Remember that the DOM is ready
jQuery.isReady = true;
// If a normal DOM Ready event fired, decrement, and wait if need be
if (wait !== true && --jQuery.readyWait > 0) {
return;
}
// If there are functions bound, to execute
readyList.resolveWith(document, [jQuery]);
}
});
jQuery.ready.then = readyList.then;
// The ready event handler and self cleanup method
function completed() {
document.removeEventListener("DOMContentLoaded", completed);
window.removeEventListener("load", completed);
jQuery.ready();
}
// Catch cases where $(document).ready() is called
// after the browser event has already occurred.
// Support: IE <=9 - 10 only
// Older IE sometimes signals "interactive" too soon
if (document.readyState === "complete" ||
(document.readyState !== "loading" && !document.documentElement.doScroll)) {
// Handle it asynchronously to allow scripts the opportunity to delay ready
window.setTimeout(jQuery.ready);
} else {
// Use the handy event callback
document.addEventListener("DOMContentLoaded", completed);
// A fallback to window.onload, that will always work
window.addEventListener("load", completed);
}
// Multifunctional method to get and set values of a collection
// The value/s can optionally be executed if it's a function
var access = function(elems, fn, key, value, chainable, emptyGet, raw) {
var i = 0,
len = elems.length,
bulk = key == null;
// Sets many values
if (toType(key) === "object") {
chainable = true;
for (i in key) {
access(elems, fn, i, key[i], true, emptyGet, raw);
}
// Sets one value
} else if (value !== undefined) {
chainable = true;
if (!isFunction(value)) {
raw = true;
}
if (bulk) {
// Bulk operations run against the entire set
if (raw) {
fn.call(elems, value);
fn = null;
// ...except when executing function values
} else {
bulk = fn;
fn = function(elem, key, value) {
return bulk.call(jQuery(elem), value);
};
}
}
if (fn) {
for (; i < len; i++) {
fn(
elems[i], key, raw ?
value :
value.call(elems[i], i, fn(elems[i], key))
);
}
}
}
if (chainable) {
return elems;
}
// Gets
if (bulk) {
return fn.call(elems);
}
return len ? fn(elems[0], key) : emptyGet;
};
// Matches dashed string for camelizing
var rmsPrefix = /^-ms-/,
rdashAlpha = /-([a-z])/g;
// Used by camelCase as callback to replace()
function fcamelCase(all, letter) {
return letter.toUpperCase();
}
// Convert dashed to camelCase; used by the css and data modules
// Support: IE <=9 - 11, Edge 12 - 15
// Microsoft forgot to hump their vendor prefix (#9572)
function camelCase(string) {
return string.replace(rmsPrefix, "ms-").replace(rdashAlpha, fcamelCase);
}
var acceptData = function(owner) {
// Accepts only:
// - Node
// - Node.ELEMENT_NODE
// - Node.DOCUMENT_NODE
// - Object
// - Any
return owner.nodeType === 1 || owner.nodeType === 9 || !(+owner.nodeType);
};
function Data() {
this.expando = jQuery.expando + Data.uid++;
}
Data.uid = 1;
Data.prototype = {
cache: function(owner) {
// Check if the owner object already has a cache
var value = owner[this.expando];
// If not, create one
if (!value) {
value = {};
// We can accept data for non-element nodes in modern browsers,
// but we should not, see #8335.
// Always return an empty object.
if (acceptData(owner)) {
// If it is a node unlikely to be stringify-ed or looped over
// use plain assignment
if (owner.nodeType) {
owner[this.expando] = value;
// Otherwise secure it in a non-enumerable property
// configurable must be true to allow the property to be
// deleted when data is removed
} else {
Object.defineProperty(owner, this.expando, {
value: value,
configurable: true
});
}
}
}
return value;
},
set: function(owner, data, value) {
var prop,
cache = this.cache(owner);
// Handle: [ owner, key, value ] args
// Always use camelCase key (gh-2257)
if (typeof data === "string") {
cache[camelCase(data)] = value;
// Handle: [ owner, { properties } ] args
} else {
// Copy the properties one-by-one to the cache object
for (prop in data) {
cache[camelCase(prop)] = data[prop];
}
}
return cache;
},
get: function(owner, key) {
return key === undefined ?
this.cache(owner) :
// Always use camelCase key (gh-2257)
owner[this.expando] && owner[this.expando][camelCase(key)];
},
access: function(owner, key, value) {
// In cases where either:
//
// 1. No key was specified
// 2. A string key was specified, but no value provided
//
// Take the "read" path and allow the get method to determine
// which value to return, respectively either:
//
// 1. The entire cache object
// 2. The data stored at the key
//
if (key === undefined ||
((key && typeof key === "string") && value === undefined)) {
return this.get(owner, key);
}
// When the key is not a string, or both a key and value
// are specified, set or extend (existing objects) with either:
//
// 1. An object of properties
// 2. A key and value
//
this.set(owner, key, value);
// Since the "set" path can have two possible entry points
// return the expected data based on which path was taken[*]
return value !== undefined ? value : key;
},
remove: function(owner, key) {
var i,
cache = owner[this.expando];
if (cache === undefined) {
return;
}
if (key !== undefined) {
// Support array or space separated string of keys
if (Array.isArray(key)) {
// If key is an array of keys...
// We always set camelCase keys, so remove that.
key = key.map(camelCase);
} else {
key = camelCase(key);
// If a key with the spaces exists, use it.
// Otherwise, create an array by matching non-whitespace
key = key in cache ? [key] :
(key.match(rnothtmlwhite) || []);
}
i = key.length;
while (i--) {
delete cache[key[i]];
}
}
// Remove the expando if there's no more data
if (key === undefined || jQuery.isEmptyObject(cache)) {
// Support: Chrome <=35 - 45
// Webkit & Blink performance suffers when deleting properties
// from DOM nodes, so set to undefined instead
// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
if (owner.nodeType) {
owner[this.expando] = undefined;
} else {
delete owner[this.expando];
}
}
},
hasData: function(owner) {
var cache = owner[this.expando];
return cache !== undefined && !jQuery.isEmptyObject(cache);
}
};
var dataPriv = new Data();
var dataUser = new Data();
// Implementation Summary
//
// 1. Enforce API surface and semantic compatibility with 1.9.x branch
// 2. Improve the module's maintainability by reducing the storage
// paths to a single mechanism.
// 3. Use the same single mechanism to support "private" and "user" data.
// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
// 5. Avoid exposing implementation details on user objects (eg. expando properties)
// 6. Provide a clear path for implementation upgrade to WeakMap in 2014
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
rmultiDash = /[A-Z]/g;
function getData(data) {
if (data === "true") {
return true;
}
if (data === "false") {
return false;
}
if (data === "null") {
return null;
}
// Only convert to a number if it doesn't change the string
if (data === +data + "") {
return +data;
}
if (rbrace.test(data)) {
return JSON.parse(data);
}
return data;
}
function dataAttr(elem, key, data) {
var name;
// If nothing was found internally, try to fetch any
// data from the HTML5 data-* attribute
if (data === undefined && elem.nodeType === 1) {
name = "data-" + key.replace(rmultiDash, "-$&").toLowerCase();
data = elem.getAttribute(name);
if (typeof data === "string") {
try {
data = getData(data);
} catch (e) {}
// Make sure we set the data so it isn't changed later
dataUser.set(elem, key, data);
} else {
data = undefined;
}
}
return data;
}
jQuery.extend({
hasData: function(elem) {
return dataUser.hasData(elem) || dataPriv.hasData(elem);
},
data: function(elem, name, data) {
return dataUser.access(elem, name, data);
},
removeData: function(elem, name) {
dataUser.remove(elem, name);
},
// TODO: Now that all calls to _data and _removeData have been replaced
// with direct calls to dataPriv methods, these can be deprecated.
_data: function(elem, name, data) {
return dataPriv.access(elem, name, data);
},
_removeData: function(elem, name) {
dataPriv.remove(elem, name);
}
});
jQuery.fn.extend({
data: function(key, value) {
var i, name, data,
elem = this[0],
attrs = elem && elem.attributes;
// Gets all values
if (key === undefined) {
if (this.length) {
data = dataUser.get(elem);
if (elem.nodeType === 1 && !dataPriv.get(elem, "hasDataAttrs")) {
i = attrs.length;
while (i--) {
// Support: IE 11 only
// The attrs elements can be null (#14894)
if (attrs[i]) {
name = attrs[i].name;
if (name.indexOf("data-") === 0) {
name = camelCase(name.slice(5));
dataAttr(elem, name, data[name]);
}
}
}
dataPriv.set(elem, "hasDataAttrs", true);
}
}
return data;
}
// Sets multiple values
if (typeof key === "object") {
return this.each(function() {
dataUser.set(this, key);
});
}
return access(this, function(value) {
var data;
// The calling jQuery object (element matches) is not empty
// (and therefore has an element appears at this[ 0 ]) and the
// `value` parameter was not undefined. An empty jQuery object
// will result in `undefined` for elem = this[ 0 ] which will
// throw an exception if an attempt to read a data cache is made.
if (elem && value === undefined) {
// Attempt to get data from the cache
// The key will always be camelCased in Data
data = dataUser.get(elem, key);
if (data !== undefined) {
return data;
}
// Attempt to "discover" the data in
// HTML5 custom data-* attrs
data = dataAttr(elem, key);
if (data !== undefined) {
return data;
}
// We tried really hard, but the data doesn't exist.
return;
}
// Set the data...
this.each(function() {
// We always store the camelCased key
dataUser.set(this, key, value);
});
}, null, value, arguments.length > 1, null, true);
},
removeData: function(key) {
return this.each(function() {
dataUser.remove(this, key);
});
}
});
jQuery.extend({
queue: function(elem, type, data) {
var queue;
if (elem) {
type = (type || "fx") + "queue";
queue = dataPriv.get(elem, type);
// Speed up dequeue by getting out quickly if this is just a lookup
if (data) {
if (!queue || Array.isArray(data)) {
queue = dataPriv.access(elem, type, jQuery.makeArray(data));
} else {
queue.push(data);
}
}
return queue || [];
}
},
dequeue: function(elem, type) {
type = type || "fx";
var queue = jQuery.queue(elem, type),
startLength = queue.length,
fn = queue.shift(),
hooks = jQuery._queueHooks(elem, type),
next = function() {
jQuery.dequeue(elem, type);
};
// If the fx queue is dequeued, always remove the progress sentinel
if (fn === "inprogress") {
fn = queue.shift();
startLength--;
}
if (fn) {
// Add a progress sentinel to prevent the fx queue from being
// automatically dequeued
if (type === "fx") {
queue.unshift("inprogress");
}
// Clear up the last queue stop function
delete hooks.stop;
fn.call(elem, next, hooks);
}
if (!startLength && hooks) {
hooks.empty.fire();
}
},
// Not public - generate a queueHooks object, or return the current one
_queueHooks: function(elem, type) {
var key = type + "queueHooks";
return dataPriv.get(elem, key) || dataPriv.access(elem, key, {
empty: jQuery.Callbacks("once memory").add(function() {
dataPriv.remove(elem, [type + "queue", key]);
})
});
}
});
jQuery.fn.extend({
queue: function(type, data) {
var setter = 2;
if (typeof type !== "string") {
data = type;
type = "fx";
setter--;
}
if (arguments.length < setter) {
return jQuery.queue(this[0], type);
}
return data === undefined ?
this :
this.each(function() {
var queue = jQuery.queue(this, type, data);
// Ensure a hooks for this queue
jQuery._queueHooks(this, type);
if (type === "fx" && queue[0] !== "inprogress") {
jQuery.dequeue(this, type);
}
});
},
dequeue: function(type) {
return this.each(function() {
jQuery.dequeue(this, type);
});
},
clearQueue: function(type) {
return this.queue(type || "fx", []);
},
// Get a promise resolved when queues of a certain type
// are emptied (fx is the type by default)
promise: function(type, obj) {
var tmp,
count = 1,
defer = jQuery.Deferred(),
elements = this,
i = this.length,
resolve = function() {
if (!(--count)) {
defer.resolveWith(elements, [elements]);
}
};
if (typeof type !== "string") {
obj = type;
type = undefined;
}
type = type || "fx";
while (i--) {
tmp = dataPriv.get(elements[i], type + "queueHooks");
if (tmp && tmp.empty) {
count++;
tmp.empty.add(resolve);
}
}
resolve();
return defer.promise(obj);
}
});
var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
var rcssNum = new RegExp("^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i");
var cssExpand = ["Top", "Right", "Bottom", "Left"];
var documentElement = document.documentElement;
var isAttached = function(elem) {
return jQuery.contains(elem.ownerDocument, elem);
},
composed = { composed: true };
// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
// Check attachment across shadow DOM boundaries when possible (gh-3504)
// Support: iOS 10.0-10.2 only
// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
// leading to errors. We need to check for `getRootNode`.
if (documentElement.getRootNode) {
isAttached = function(elem) {
return jQuery.contains(elem.ownerDocument, elem) ||
elem.getRootNode(composed) === elem.ownerDocument;
};
}
var isHiddenWithinTree = function(elem, el) {
// isHiddenWithinTree might be called from jQuery#filter function;
// in that case, element will be second argument
elem = el || elem;
// Inline style trumps all
return elem.style.display === "none" ||
elem.style.display === "" &&
// Otherwise, check computed style
// Support: Firefox <=43 - 45
// Disconnected elements can have computed display: none, so first confirm that elem is
// in the document.
isAttached(elem) &&
jQuery.css(elem, "display") === "none";
};
var swap = function(elem, options, callback, args) {
var ret, name,
old = {};
// Remember the old values, and insert the new ones
for (name in options) {
old[name] = elem.style[name];
elem.style[name] = options[name];
}
ret = callback.apply(elem, args || []);
// Revert the old values
for (name in options) {
elem.style[name] = old[name];
}
return ret;
};
function adjustCSS(elem, prop, valueParts, tween) {
var adjusted, scale,
maxIterations = 20,
currentValue = tween ?
function() {
return tween.cur();
} :
function() {
return jQuery.css(elem, prop, "");
},
initial = currentValue(),
unit = valueParts && valueParts[3] || (jQuery.cssNumber[prop] ? "" : "px"),
// Starting value computation is required for potential unit mismatches
initialInUnit = elem.nodeType &&
(jQuery.cssNumber[prop] || unit !== "px" && +initial) &&
rcssNum.exec(jQuery.css(elem, prop));
if (initialInUnit && initialInUnit[3] !== unit) {
// Support: Firefox <=54
// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
initial = initial / 2;
// Trust units reported by jQuery.css
unit = unit || initialInUnit[3];
// Iteratively approximate from a nonzero starting point
initialInUnit = +initial || 1;
while (maxIterations--) {
// Evaluate and update our best guess (doubling guesses that zero out).
// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
jQuery.style(elem, prop, initialInUnit + unit);
if ((1 - scale) * (1 - (scale = currentValue() / initial || 0.5)) <= 0) {
maxIterations = 0;
}
initialInUnit = initialInUnit / scale;
}
initialInUnit = initialInUnit * 2;
jQuery.style(elem, prop, initialInUnit + unit);
// Make sure we update the tween properties later on
valueParts = valueParts || [];
}
if (valueParts) {
initialInUnit = +initialInUnit || +initial || 0;
// Apply relative offset (+=/-=) if specified
adjusted = valueParts[1] ?
initialInUnit + (valueParts[1] + 1) * valueParts[2] :
+valueParts[2];
if (tween) {
tween.unit = unit;
tween.start = initialInUnit;
tween.end = adjusted;
}
}
return adjusted;
}
var defaultDisplayMap = {};
function getDefaultDisplay(elem) {
var temp,
doc = elem.ownerDocument,
nodeName = elem.nodeName,
display = defaultDisplayMap[nodeName];
if (display) {
return display;
}
temp = doc.body.appendChild(doc.createElement(nodeName));
display = jQuery.css(temp, "display");
temp.parentNode.removeChild(temp);
if (display === "none") {
display = "block";
}
defaultDisplayMap[nodeName] = display;
return display;
}
function showHide(elements, show) {
var display, elem,
values = [],
index = 0,
length = elements.length;
// Determine new display value for elements that need to change
for (; index < length; index++) {
elem = elements[index];
if (!elem.style) {
continue;
}
display = elem.style.display;
if (show) {
// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
// check is required in this first loop unless we have a nonempty display value (either
// inline or about-to-be-restored)
if (display === "none") {
values[index] = dataPriv.get(elem, "display") || null;
if (!values[index]) {
elem.style.display = "";
}
}
if (elem.style.display === "" && isHiddenWithinTree(elem)) {
values[index] = getDefaultDisplay(elem);
}
} else {
if (display !== "none") {
values[index] = "none";
// Remember what we're overwriting
dataPriv.set(elem, "display", display);
}
}
}
// Set the display of the elements in a second loop to avoid constant reflow
for (index = 0; index < length; index++) {
if (values[index] != null) {
elements[index].style.display = values[index];
}
}
return elements;
}
jQuery.fn.extend({
show: function() {
return showHide(this, true);
},
hide: function() {
return showHide(this);
},
toggle: function(state) {
if (typeof state === "boolean") {
return state ? this.show() : this.hide();
}
return this.each(function() {
if (isHiddenWithinTree(this)) {
jQuery(this).show();
} else {
jQuery(this).hide();
}
});
}
});
var rcheckableType = (/^(?:checkbox|radio)$/i);
var rtagName = (/<([a-z][^\/\0>\x20\t\r\n\f]*)/i);
var rscriptType = (/^$|^module$|\/(?:java|ecma)script/i);
// We have to close these tags to support XHTML (#13200)
var wrapMap = {
// Support: IE <=9 only
option: [1, "<select multiple='multiple'>", "</select>"],
// XHTML parsers do not magically insert elements in the
// same way that tag soup parsers do. So we cannot shorten
// this by omitting <tbody> or other required elements.
thead: [1, "<table>", "</table>"],
col: [2, "<table><colgroup>", "</colgroup></table>"],
tr: [2, "<table><tbody>", "</tbody></table>"],
td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],
_default: [0, "", ""]
};
// Support: IE <=9 only
wrapMap.optgroup = wrapMap.option;
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
wrapMap.th = wrapMap.td;
function getAll(context, tag) {
// Support: IE <=9 - 11 only
// Use typeof to avoid zero-argument method invocation on host objects (#15151)
var ret;
if (typeof context.getElementsByTagName !== "undefined") {
ret = context.getElementsByTagName(tag || "*");
} else if (typeof context.querySelectorAll !== "undefined") {
ret = context.querySelectorAll(tag || "*");
} else {
ret = [];
}
if (tag === undefined || tag && nodeName(context, tag)) {
return jQuery.merge([context], ret);
}
return ret;
}
// Mark scripts as having already been evaluated
function setGlobalEval(elems, refElements) {
var i = 0,
l = elems.length;
for (; i < l; i++) {
dataPriv.set(
elems[i],
"globalEval", !refElements || dataPriv.get(refElements[i], "globalEval")
);
}
}
var rhtml = /<|&#?\w+;/;
function buildFragment(elems, context, scripts, selection, ignored) {
var elem, tmp, tag, wrap, attached, j,
fragment = context.createDocumentFragment(),
nodes = [],
i = 0,
l = elems.length;
for (; i < l; i++) {
elem = elems[i];
if (elem || elem === 0) {
// Add nodes directly
if (toType(elem) === "object") {
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge(nodes, elem.nodeType ? [elem] : elem);
// Convert non-html into a text node
} else if (!rhtml.test(elem)) {
nodes.push(context.createTextNode(elem));
// Convert html into DOM nodes
} else {
tmp = tmp || fragment.appendChild(context.createElement("div"));
// Deserialize a standard representation
tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase();
wrap = wrapMap[tag] || wrapMap._default;
tmp.innerHTML = wrap[1] + jQuery.htmlPrefilter(elem) + wrap[2];
// Descend through wrappers to the right content
j = wrap[0];
while (j--) {
tmp = tmp.lastChild;
}
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge(nodes, tmp.childNodes);
// Remember the top-level container
tmp = fragment.firstChild;
// Ensure the created nodes are orphaned (#12392)
tmp.textContent = "";
}
}
}
// Remove wrapper from fragment
fragment.textContent = "";
i = 0;
while ((elem = nodes[i++])) {
// Skip elements already in the context collection (trac-4087)
if (selection && jQuery.inArray(elem, selection) > -1) {
if (ignored) {
ignored.push(elem);
}
continue;
}
attached = isAttached(elem);
// Append to fragment
tmp = getAll(fragment.appendChild(elem), "script");
// Preserve script evaluation history
if (attached) {
setGlobalEval(tmp);
}
// Capture executables
if (scripts) {
j = 0;
while ((elem = tmp[j++])) {
if (rscriptType.test(elem.type || "")) {
scripts.push(elem);
}
}
}
}
return fragment;
}
(function() {
var fragment = document.createDocumentFragment(),
div = fragment.appendChild(document.createElement("div")),
input = document.createElement("input");
// Support: Android 4.0 - 4.3 only
// Check state lost if the name is set (#11217)
// Support: Windows Web Apps (WWA)
// `name` and `type` must use .setAttribute for WWA (#14901)
input.setAttribute("type", "radio");
input.setAttribute("checked", "checked");
input.setAttribute("name", "t");
div.appendChild(input);
// Support: Android <=4.1 only
// Older WebKit doesn't clone checked state correctly in fragments
support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked;
// Support: IE <=11 only
// Make sure textarea (and checkbox) defaultValue is properly cloned
div.innerHTML = "<textarea>x</textarea>";
support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue;
})();
var
rkeyEvent = /^key/,
rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
function returnTrue() {
return true;
}
function returnFalse() {
return false;
}
// Support: IE <=9 - 11+
// focus() and blur() are asynchronous, except when they are no-op.
// So expect focus to be synchronous when the element is already active,
// and blur to be synchronous when the element is not already active.
// (focus and blur are always synchronous in other supported browsers,
// this just defines when we can count on it).
function expectSync(elem, type) {
return (elem === safeActiveElement()) === (type === "focus");
}
// Support: IE <=9 only
// Accessing document.activeElement can throw unexpectedly
// https://bugs.jquery.com/ticket/13393
function safeActiveElement() {
try {
return document.activeElement;
} catch (err) {}
}
function on(elem, types, selector, data, fn, one) {
var origFn, type;
// Types can be a map of types/handlers
if (typeof types === "object") {
// ( types-Object, selector, data )
if (typeof selector !== "string") {
// ( types-Object, data )
data = data || selector;
selector = undefined;
}
for (type in types) {
on(elem, type, selector, data, types[type], one);
}
return elem;
}
if (data == null && fn == null) {
// ( types, fn )
fn = selector;
data = selector = undefined;
} else if (fn == null) {
if (typeof selector === "string") {
// ( types, selector, fn )
fn = data;
data = undefined;
} else {
// ( types, data, fn )
fn = data;
data = selector;
selector = undefined;
}
}
if (fn === false) {
fn = returnFalse;
} else if (!fn) {
return elem;
}
if (one === 1) {
origFn = fn;
fn = function(event) {
// Can use an empty set, since event contains the info
jQuery().off(event);
return origFn.apply(this, arguments);
};
// Use same guid so caller can remove using origFn
fn.guid = origFn.guid || (origFn.guid = jQuery.guid++);
}
return elem.each(function() {
jQuery.event.add(this, types, fn, data, selector);
});
}
/*
* Helper functions for managing events -- not part of the public interface.
* Props to Dean Edwards' addEvent library for many of the ideas.
*/
jQuery.event = {
global: {},
add: function(elem, types, handler, data, selector) {
var handleObjIn, eventHandle, tmp,
events, t, handleObj,
special, handlers, type, namespaces, origType,
elemData = dataPriv.get(elem);
// Don't attach events to noData or text/comment nodes (but allow plain objects)
if (!elemData) {
return;
}
// Caller can pass in an object of custom data in lieu of the handler
if (handler.handler) {
handleObjIn = handler;
handler = handleObjIn.handler;
selector = handleObjIn.selector;
}
// Ensure that invalid selectors throw exceptions at attach time
// Evaluate against documentElement in case elem is a non-element node (e.g., document)
if (selector) {
jQuery.find.matchesSelector(documentElement, selector);
}
// Make sure that the handler has a unique ID, used to find/remove it later
if (!handler.guid) {
handler.guid = jQuery.guid++;
}
// Init the element's event structure and main handler, if this is the first
if (!(events = elemData.events)) {
events = elemData.events = {};
}
if (!(eventHandle = elemData.handle)) {
eventHandle = elemData.handle = function(e) {
// Discard the second event of a jQuery.event.trigger() and
// when an event is called after a page has unloaded
return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
jQuery.event.dispatch.apply(elem, arguments) : undefined;
};
}
// Handle multiple events separated by a space
types = (types || "").match(rnothtmlwhite) || [""];
t = types.length;
while (t--) {
tmp = rtypenamespace.exec(types[t]) || [];
type = origType = tmp[1];
namespaces = (tmp[2] || "").split(".").sort();
// There *must* be a type, no attaching namespace-only handlers
if (!type) {
continue;
}
// If event changes its type, use the special event handlers for the changed type
special = jQuery.event.special[type] || {};
// If selector defined, determine special event api type, otherwise given type
type = (selector ? special.delegateType : special.bindType) || type;
// Update special based on newly reset type
special = jQuery.event.special[type] || {};
// handleObj is passed to all event handlers
handleObj = jQuery.extend({
type: type,
origType: origType,
data: data,
handler: handler,
guid: handler.guid,
selector: selector,
needsContext: selector && jQuery.expr.match.needsContext.test(selector),
namespace: namespaces.join(".")
}, handleObjIn);
// Init the event handler queue if we're the first
if (!(handlers = events[type])) {
handlers = events[type] = [];
handlers.delegateCount = 0;
// Only use addEventListener if the special events handler returns false
if (!special.setup ||
special.setup.call(elem, data, namespaces, eventHandle) === false) {
if (elem.addEventListener) {
elem.addEventListener(type, eventHandle);
}
}
}
if (special.add) {
special.add.call(elem, handleObj);
if (!handleObj.handler.guid) {
handleObj.handler.guid = handler.guid;
}
}
// Add to the element's handler list, delegates in front
if (selector) {
handlers.splice(handlers.delegateCount++, 0, handleObj);
} else {
handlers.push(handleObj);
}
// Keep track of which events have ever been used, for event optimization
jQuery.event.global[type] = true;
}
},
// Detach an event or set of events from an element
remove: function(elem, types, handler, selector, mappedTypes) {
var j, origCount, tmp,
events, t, handleObj,
special, handlers, type, namespaces, origType,
elemData = dataPriv.hasData(elem) && dataPriv.get(elem);
if (!elemData || !(events = elemData.events)) {
return;
}
// Once for each type.namespace in types; type may be omitted
types = (types || "").match(rnothtmlwhite) || [""];
t = types.length;
while (t--) {
tmp = rtypenamespace.exec(types[t]) || [];
type = origType = tmp[1];
namespaces = (tmp[2] || "").split(".").sort();
// Unbind all events (on this namespace, if provided) for the element
if (!type) {
for (type in events) {
jQuery.event.remove(elem, type + types[t], handler, selector, true);
}
continue;
}
special = jQuery.event.special[type] || {};
type = (selector ? special.delegateType : special.bindType) || type;
handlers = events[type] || [];
tmp = tmp[2] &&
new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)");
// Remove matching events
origCount = j = handlers.length;
while (j--) {
handleObj = handlers[j];
if ((mappedTypes || origType === handleObj.origType) &&
(!handler || handler.guid === handleObj.guid) &&
(!tmp || tmp.test(handleObj.namespace)) &&
(!selector || selector === handleObj.selector ||
selector === "**" && handleObj.selector)) {
handlers.splice(j, 1);
if (handleObj.selector) {
handlers.delegateCount--;
}
if (special.remove) {
special.remove.call(elem, handleObj);
}
}
}
// Remove generic event handler if we removed something and no more handlers exist
// (avoids potential for endless recursion during removal of special event handlers)
if (origCount && !handlers.length) {
if (!special.teardown ||
special.teardown.call(elem, namespaces, elemData.handle) === false) {
jQuery.removeEvent(elem, type, elemData.handle);
}
delete events[type];
}
}
// Remove data and the expando if it's no longer used
if (jQuery.isEmptyObject(events)) {
dataPriv.remove(elem, "handle events");
}
},
dispatch: function(nativeEvent) {
// Make a writable jQuery.Event from the native event object
var event = jQuery.event.fix(nativeEvent);
var i, j, ret, matched, handleObj, handlerQueue,
args = new Array(arguments.length),
handlers = (dataPriv.get(this, "events") || {})[event.type] || [],
special = jQuery.event.special[event.type] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event
args[0] = event;
for (i = 1; i < arguments.length; i++) {
args[i] = arguments[i];
}
event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired
if (special.preDispatch && special.preDispatch.call(this, event) === false) {
return;
}
// Determine handlers
handlerQueue = jQuery.event.handlers.call(this, event, handlers);
// Run delegates first; they may want to stop propagation beneath us
i = 0;
while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) {
event.currentTarget = matched.elem;
j = 0;
while ((handleObj = matched.handlers[j++]) &&
!event.isImmediatePropagationStopped()) {
// If the event is namespaced, then each handler is only invoked if it is
// specially universal or its namespaces are a superset of the event's.
if (!event.rnamespace || handleObj.namespace === false ||
event.rnamespace.test(handleObj.namespace)) {
event.handleObj = handleObj;
event.data = handleObj.data;
ret = ((jQuery.event.special[handleObj.origType] || {}).handle ||
handleObj.handler).apply(matched.elem, args);
if (ret !== undefined) {
if ((event.result = ret) === false) {
event.preventDefault();
event.stopPropagation();
}
}
}
}
}
// Call the postDispatch hook for the mapped type
if (special.postDispatch) {
special.postDispatch.call(this, event);
}
return event.result;
},
handlers: function(event, handlers) {
var i, handleObj, sel, matchedHandlers, matchedSelectors,
handlerQueue = [],
delegateCount = handlers.delegateCount,
cur = event.target;
// Find delegate handlers
if (delegateCount &&
// Support: IE <=9
// Black-hole SVG <use> instance trees (trac-13180)
cur.nodeType &&
// Support: Firefox <=42
// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
// Support: IE 11 only
// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
!(event.type === "click" && event.button >= 1)) {
for (; cur !== this; cur = cur.parentNode || this) {
// Don't check non-elements (#13208)
// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
if (cur.nodeType === 1 && !(event.type === "click" && cur.disabled === true)) {
matchedHandlers = [];
matchedSelectors = {};
for (i = 0; i < delegateCount; i++) {
handleObj = handlers[i];
// Don't conflict with Object.prototype properties (#13203)
sel = handleObj.selector + " ";
if (matchedSelectors[sel] === undefined) {
matchedSelectors[sel] = handleObj.needsContext ?
jQuery(sel, this).index(cur) > -1 :
jQuery.find(sel, this, null, [cur]).length;
}
if (matchedSelectors[sel]) {
matchedHandlers.push(handleObj);
}
}
if (matchedHandlers.length) {
handlerQueue.push({ elem: cur, handlers: matchedHandlers });
}
}
}
}
// Add the remaining (directly-bound) handlers
cur = this;
if (delegateCount < handlers.length) {
handlerQueue.push({ elem: cur, handlers: handlers.slice(delegateCount) });
}
return handlerQueue;
},
addProp: function(name, hook) {
Object.defineProperty(jQuery.Event.prototype, name, {
enumerable: true,
configurable: true,
get: isFunction(hook) ?
function() {
if (this.originalEvent) {
return hook(this.originalEvent);
}
} : function() {
if (this.originalEvent) {
return this.originalEvent[name];
}
},
set: function(value) {
Object.defineProperty(this, name, {
enumerable: true,
configurable: true,
writable: true,
value: value
});
}
});
},
fix: function(originalEvent) {
return originalEvent[jQuery.expando] ?
originalEvent :
new jQuery.Event(originalEvent);
},
special: {
load: {
// Prevent triggered image.load events from bubbling to window.load
noBubble: true
},
click: {
// Utilize native event to ensure correct state for checkable inputs
setup: function(data) {
// For mutual compressibility with _default, replace `this` access with a local var.
// `|| data` is dead code meant only to preserve the variable through minification.
var el = this || data;
// Claim the first handler
if (rcheckableType.test(el.type) &&
el.click && nodeName(el, "input")) {
// dataPriv.set( el, "click", ... )
leverageNative(el, "click", returnTrue);
}
// Return false to allow normal processing in the caller
return false;
},
trigger: function(data) {
// For mutual compressibility with _default, replace `this` access with a local var.
// `|| data` is dead code meant only to preserve the variable through minification.
var el = this || data;
// Force setup before triggering a click
if (rcheckableType.test(el.type) &&
el.click && nodeName(el, "input")) {
leverageNative(el, "click");
}
// Return non-false to allow normal event-path propagation
return true;
},
// For cross-browser consistency, suppress native .click() on links
// Also prevent it if we're currently inside a leveraged native-event stack
_default: function(event) {
var target = event.target;
return rcheckableType.test(target.type) &&
target.click && nodeName(target, "input") &&
dataPriv.get(target, "click") ||
nodeName(target, "a");
}
},
beforeunload: {
postDispatch: function(event) {
// Support: Firefox 20+
// Firefox doesn't alert if the returnValue field is not set.
if (event.result !== undefined && event.originalEvent) {
event.originalEvent.returnValue = event.result;
}
}
}
}
};
// Ensure the presence of an event listener that handles manually-triggered
// synthetic events by interrupting progress until reinvoked in response to
// *native* events that it fires directly, ensuring that state changes have
// already occurred before other listeners are invoked.
function leverageNative(el, type, expectSync) {
// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
if (!expectSync) {
if (dataPriv.get(el, type) === undefined) {
jQuery.event.add(el, type, returnTrue);
}
return;
}
// Register the controller as a special universal handler for all event namespaces
dataPriv.set(el, type, false);
jQuery.event.add(el, type, {
namespace: false,
handler: function(event) {
var notAsync, result,
saved = dataPriv.get(this, type);
if ((event.isTrigger & 1) && this[type]) {
// Interrupt processing of the outer synthetic .trigger()ed event
// Saved data should be false in such cases, but might be a leftover capture object
// from an async native handler (gh-4350)
if (!saved.length) {
// Store arguments for use when handling the inner native event
// There will always be at least one argument (an event object), so this array
// will not be confused with a leftover capture object.
saved = slice.call(arguments);
dataPriv.set(this, type, saved);
// Trigger the native event and capture its result
// Support: IE <=9 - 11+
// focus() and blur() are asynchronous
notAsync = expectSync(this, type);
this[type]();
result = dataPriv.get(this, type);
if (saved !== result || notAsync) {
dataPriv.set(this, type, false);
} else {
result = {};
}
if (saved !== result) {
// Cancel the outer synthetic event
event.stopImmediatePropagation();
event.preventDefault();
return result.value;
}
// If this is an inner synthetic event for an event with a bubbling surrogate
// (focus or blur), assume that the surrogate already propagated from triggering the
// native event and prevent that from happening again here.
// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
// bubbling surrogate propagates *after* the non-bubbling base), but that seems
// less bad than duplication.
} else if ((jQuery.event.special[type] || {}).delegateType) {
event.stopPropagation();
}
// If this is a native event triggered above, everything is now in order
// Fire an inner synthetic event with the original arguments
} else if (saved.length) {
// ...and capture the result
dataPriv.set(this, type, {
value: jQuery.event.trigger(
// Support: IE <=9 - 11+
// Extend with the prototype to reset the above stopImmediatePropagation()
jQuery.extend(saved[0], jQuery.Event.prototype),
saved.slice(1),
this
)
});
// Abort handling of the native event
event.stopImmediatePropagation();
}
}
});
}
jQuery.removeEvent = function(elem, type, handle) {
// This "if" is needed for plain objects
if (elem.removeEventListener) {
elem.removeEventListener(type, handle);
}
};
jQuery.Event = function(src, props) {
// Allow instantiation without the 'new' keyword
if (!(this instanceof jQuery.Event)) {
return new jQuery.Event(src, props);
}
// Event object
if (src && src.type) {
this.originalEvent = src;
this.type = src.type;
// Events bubbling up the document may have been marked as prevented
// by a handler lower down the tree; reflect the correct value.
this.isDefaultPrevented = src.defaultPrevented ||
src.defaultPrevented === undefined &&
// Support: Android <=2.3 only
src.returnValue === false ?
returnTrue :
returnFalse;
// Create target properties
// Support: Safari <=6 - 7 only
// Target should not be a text node (#504, #13143)
this.target = (src.target && src.target.nodeType === 3) ?
src.target.parentNode :
src.target;
this.currentTarget = src.currentTarget;
this.relatedTarget = src.relatedTarget;
// Event type
} else {
this.type = src;
}
// Put explicitly provided properties onto the event object
if (props) {
jQuery.extend(this, props);
}
// Create a timestamp if incoming event doesn't have one
this.timeStamp = src && src.timeStamp || Date.now();
// Mark it as fixed
this[jQuery.expando] = true;
};
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
jQuery.Event.prototype = {
constructor: jQuery.Event,
isDefaultPrevented: returnFalse,
isPropagationStopped: returnFalse,
isImmediatePropagationStopped: returnFalse,
isSimulated: false,
preventDefault: function() {
var e = this.originalEvent;
this.isDefaultPrevented = returnTrue;
if (e && !this.isSimulated) {
e.preventDefault();
}
},
stopPropagation: function() {
var e = this.originalEvent;
this.isPropagationStopped = returnTrue;
if (e && !this.isSimulated) {
e.stopPropagation();
}
},
stopImmediatePropagation: function() {
var e = this.originalEvent;
this.isImmediatePropagationStopped = returnTrue;
if (e && !this.isSimulated) {
e.stopImmediatePropagation();
}
this.stopPropagation();
}
};
// Includes all common event props including KeyEvent and MouseEvent specific props
jQuery.each({
altKey: true,
bubbles: true,
cancelable: true,
changedTouches: true,
ctrlKey: true,
detail: true,
eventPhase: true,
metaKey: true,
pageX: true,
pageY: true,
shiftKey: true,
view: true,
"char": true,
code: true,
charCode: true,
key: true,
keyCode: true,
button: true,
buttons: true,
clientX: true,
clientY: true,
offsetX: true,
offsetY: true,
pointerId: true,
pointerType: true,
screenX: true,
screenY: true,
targetTouches: true,
toElement: true,
touches: true,
which: function(event) {
var button = event.button;
// Add which for key events
if (event.which == null && rkeyEvent.test(event.type)) {
return event.charCode != null ? event.charCode : event.keyCode;
}
// Add which for click: 1 === left; 2 === middle; 3 === right
if (!event.which && button !== undefined && rmouseEvent.test(event.type)) {
if (button & 1) {
return 1;
}
if (button & 2) {
return 3;
}
if (button & 4) {
return 2;
}
return 0;
}
return event.which;
}
}, jQuery.event.addProp);
jQuery.each({ focus: "focusin", blur: "focusout" }, function(type, delegateType) {
jQuery.event.special[type] = {
// Utilize native event if possible so blur/focus sequence is correct
setup: function() {
// Claim the first handler
// dataPriv.set( this, "focus", ... )
// dataPriv.set( this, "blur", ... )
leverageNative(this, type, expectSync);
// Return false to allow normal processing in the caller
return false;
},
trigger: function() {
// Force setup before trigger
leverageNative(this, type);
// Return non-false to allow normal event-path propagation
return true;
},
delegateType: delegateType
};
});
// Create mouseenter/leave events using mouseover/out and event-time checks
// so that event delegation works in jQuery.
// Do the same for pointerenter/pointerleave and pointerover/pointerout
//
// Support: Safari 7 only
// Safari sends mouseenter too often; see:
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
// for the description of the bug (it existed in older Chrome versions as well).
jQuery.each({
mouseenter: "mouseover",
mouseleave: "mouseout",
pointerenter: "pointerover",
pointerleave: "pointerout"
}, function(orig, fix) {
jQuery.event.special[orig] = {
delegateType: fix,
bindType: fix,
handle: function(event) {
var ret,
target = this,
related = event.relatedTarget,
handleObj = event.handleObj;
// For mouseenter/leave call the handler if related is outside the target.
// NB: No relatedTarget if the mouse left/entered the browser window
if (!related || (related !== target && !jQuery.contains(target, related))) {
event.type = handleObj.origType;
ret = handleObj.handler.apply(this, arguments);
event.type = fix;
}
return ret;
}
};
});
jQuery.fn.extend({
on: function(types, selector, data, fn) {
return on(this, types, selector, data, fn);
},
one: function(types, selector, data, fn) {
return on(this, types, selector, data, fn, 1);
},
off: function(types, selector, fn) {
var handleObj, type;
if (types && types.preventDefault && types.handleObj) {
// ( event ) dispatched jQuery.Event
handleObj = types.handleObj;
jQuery(types.delegateTarget).off(
handleObj.namespace ?
handleObj.origType + "." + handleObj.namespace :
handleObj.origType,
handleObj.selector,
handleObj.handler
);
return this;
}
if (typeof types === "object") {
// ( types-object [, selector] )
for (type in types) {
this.off(type, selector, types[type]);
}
return this;
}
if (selector === false || typeof selector === "function") {
// ( types [, fn] )
fn = selector;
selector = undefined;
}
if (fn === false) {
fn = returnFalse;
}
return this.each(function() {
jQuery.event.remove(this, types, fn, selector);
});
}
});
var
/* eslint-disable max-len */
// See https://github.com/eslint/eslint/issues/3229
rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
/* eslint-enable */
// Support: IE <=10 - 11, Edge 12 - 13 only
// In IE/Edge using regex groups here causes severe slowdowns.
// See https://connect.microsoft.com/IE/feedback/details/1736512/
rnoInnerhtml = /<script|<style|<link/i,
// checked="checked" or checked
rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
// Prefer a tbody over its parent table for containing new rows
function manipulationTarget(elem, content) {
if (nodeName(elem, "table") &&
nodeName(content.nodeType !== 11 ? content : content.firstChild, "tr")) {
return jQuery(elem).children("tbody")[0] || elem;
}
return elem;
}
// Replace/restore the type attribute of script elements for safe DOM manipulation
function disableScript(elem) {
elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
return elem;
}
function restoreScript(elem) {
if ((elem.type || "").slice(0, 5) === "true/") {
elem.type = elem.type.slice(5);
} else {
elem.removeAttribute("type");
}
return elem;
}
function cloneCopyEvent(src, dest) {
var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
if (dest.nodeType !== 1) {
return;
}
// 1. Copy private data: events, handlers, etc.
if (dataPriv.hasData(src)) {
pdataOld = dataPriv.access(src);
pdataCur = dataPriv.set(dest, pdataOld);
events = pdataOld.events;
if (events) {
delete pdataCur.handle;
pdataCur.events = {};
for (type in events) {
for (i = 0, l = events[type].length; i < l; i++) {
jQuery.event.add(dest, type, events[type][i]);
}
}
}
}
// 2. Copy user data
if (dataUser.hasData(src)) {
udataOld = dataUser.access(src);
udataCur = jQuery.extend({}, udataOld);
dataUser.set(dest, udataCur);
}
}
// Fix IE bugs, see support tests
function fixInput(src, dest) {
var nodeName = dest.nodeName.toLowerCase();
// Fails to persist the checked state of a cloned checkbox or radio button.
if (nodeName === "input" && rcheckableType.test(src.type)) {
dest.checked = src.checked;
// Fails to return the selected option to the default selected state when cloning options
} else if (nodeName === "input" || nodeName === "textarea") {
dest.defaultValue = src.defaultValue;
}
}
function domManip(collection, args, callback, ignored) {
// Flatten any nested arrays
args = concat.apply([], args);
var fragment, first, scripts, hasScripts, node, doc,
i = 0,
l = collection.length,
iNoClone = l - 1,
value = args[0],
valueIsFunction = isFunction(value);
// We can't cloneNode fragments that contain checked, in WebKit
if (valueIsFunction ||
(l > 1 && typeof value === "string" &&
!support.checkClone && rchecked.test(value))) {
return collection.each(function(index) {
var self = collection.eq(index);
if (valueIsFunction) {
args[0] = value.call(this, index, self.html());
}
domManip(self, args, callback, ignored);
});
}
if (l) {
fragment = buildFragment(args, collection[0].ownerDocument, false, collection, ignored);
first = fragment.firstChild;
if (fragment.childNodes.length === 1) {
fragment = first;
}
// Require either new content or an interest in ignored elements to invoke the callback
if (first || ignored) {
scripts = jQuery.map(getAll(fragment, "script"), disableScript);
hasScripts = scripts.length;
// Use the original fragment for the last item
// instead of the first because it can end up
// being emptied incorrectly in certain situations (#8070).
for (; i < l; i++) {
node = fragment;
if (i !== iNoClone) {
node = jQuery.clone(node, true, true);
// Keep references to cloned scripts for later restoration
if (hasScripts) {
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge(scripts, getAll(node, "script"));
}
}
callback.call(collection[i], node, i);
}
if (hasScripts) {
doc = scripts[scripts.length - 1].ownerDocument;
// Reenable scripts
jQuery.map(scripts, restoreScript);
// Evaluate executable scripts on first document insertion
for (i = 0; i < hasScripts; i++) {
node = scripts[i];
if (rscriptType.test(node.type || "") &&
!dataPriv.access(node, "globalEval") &&
jQuery.contains(doc, node)) {
if (node.src && (node.type || "").toLowerCase() !== "module") {
// Optional AJAX dependency, but won't run scripts if not present
if (jQuery._evalUrl && !node.noModule) {
jQuery._evalUrl(node.src, {
nonce: node.nonce || node.getAttribute("nonce")
});
}
} else {
DOMEval(node.textContent.replace(rcleanScript, ""), node, doc);
}
}
}
}
}
}
return collection;
}
function remove(elem, selector, keepData) {
var node,
nodes = selector ? jQuery.filter(selector, elem) : elem,
i = 0;
for (;
(node = nodes[i]) != null; i++) {
if (!keepData && node.nodeType === 1) {
jQuery.cleanData(getAll(node));
}
if (node.parentNode) {
if (keepData && isAttached(node)) {
setGlobalEval(getAll(node, "script"));
}
node.parentNode.removeChild(node);
}
}
return elem;
}
jQuery.extend({
htmlPrefilter: function(html) {
return html.replace(rxhtmlTag, "<$1></$2>");
},
clone: function(elem, dataAndEvents, deepDataAndEvents) {
var i, l, srcElements, destElements,
clone = elem.cloneNode(true),
inPage = isAttached(elem);
// Fix IE cloning issues
if (!support.noCloneChecked && (elem.nodeType === 1 || elem.nodeType === 11) &&
!jQuery.isXMLDoc(elem)) {
// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
destElements = getAll(clone);
srcElements = getAll(elem);
for (i = 0, l = srcElements.length; i < l; i++) {
fixInput(srcElements[i], destElements[i]);
}
}
// Copy the events from the original to the clone
if (dataAndEvents) {
if (deepDataAndEvents) {
srcElements = srcElements || getAll(elem);
destElements = destElements || getAll(clone);
for (i = 0, l = srcElements.length; i < l; i++) {
cloneCopyEvent(srcElements[i], destElements[i]);
}
} else {
cloneCopyEvent(elem, clone);
}
}
// Preserve script evaluation history
destElements = getAll(clone, "script");
if (destElements.length > 0) {
setGlobalEval(destElements, !inPage && getAll(elem, "script"));
}
// Return the cloned set
return clone;
},
cleanData: function(elems) {
var data, elem, type,
special = jQuery.event.special,
i = 0;
for (;
(elem = elems[i]) !== undefined; i++) {
if (acceptData(elem)) {
if ((data = elem[dataPriv.expando])) {
if (data.events) {
for (type in data.events) {
if (special[type]) {
jQuery.event.remove(elem, type);
// This is a shortcut to avoid jQuery.event.remove's overhead
} else {
jQuery.removeEvent(elem, type, data.handle);
}
}
}
// Support: Chrome <=35 - 45+
// Assign undefined instead of using delete, see Data#remove
elem[dataPriv.expando] = undefined;
}
if (elem[dataUser.expando]) {
// Support: Chrome <=35 - 45+
// Assign undefined instead of using delete, see Data#remove
elem[dataUser.expando] = undefined;
}
}
}
}
});
jQuery.fn.extend({
detach: function(selector) {
return remove(this, selector, true);
},
remove: function(selector) {
return remove(this, selector);
},
text: function(value) {
return access(this, function(value) {
return value === undefined ?
jQuery.text(this) :
this.empty().each(function() {
if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
this.textContent = value;
}
});
}, null, value, arguments.length);
},
append: function() {
return domManip(this, arguments, function(elem) {
if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
var target = manipulationTarget(this, elem);
target.appendChild(elem);
}
});
},
prepend: function() {
return domManip(this, arguments, function(elem) {
if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
var target = manipulationTarget(this, elem);
target.insertBefore(elem, target.firstChild);
}
});
},
before: function() {
return domManip(this, arguments, function(elem) {
if (this.parentNode) {
this.parentNode.insertBefore(elem, this);
}
});
},
after: function() {
return domManip(this, arguments, function(elem) {
if (this.parentNode) {
this.parentNode.insertBefore(elem, this.nextSibling);
}
});
},
empty: function() {
var elem,
i = 0;
for (;
(elem = this[i]) != null; i++) {
if (elem.nodeType === 1) {
// Prevent memory leaks
jQuery.cleanData(getAll(elem, false));
// Remove any remaining nodes
elem.textContent = "";
}
}
return this;
},
clone: function(dataAndEvents, deepDataAndEvents) {
dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
return this.map(function() {
return jQuery.clone(this, dataAndEvents, deepDataAndEvents);
});
},
html: function(value) {
return access(this, function(value) {
var elem = this[0] || {},
i = 0,
l = this.length;
if (value === undefined && elem.nodeType === 1) {
return elem.innerHTML;
}
// See if we can take a shortcut and just use innerHTML
if (typeof value === "string" && !rnoInnerhtml.test(value) &&
!wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) {
value = jQuery.htmlPrefilter(value);
try {
for (; i < l; i++) {
elem = this[i] || {};
// Remove element nodes and prevent memory leaks
if (elem.nodeType === 1) {
jQuery.cleanData(getAll(elem, false));
elem.innerHTML = value;
}
}
elem = 0;
// If using innerHTML throws an exception, use the fallback method
} catch (e) {}
}
if (elem) {
this.empty().append(value);
}
}, null, value, arguments.length);
},
replaceWith: function() {
var ignored = [];
// Make the changes, replacing each non-ignored context element with the new content
return domManip(this, arguments, function(elem) {
var parent = this.parentNode;
if (jQuery.inArray(this, ignored) < 0) {
jQuery.cleanData(getAll(this));
if (parent) {
parent.replaceChild(elem, this);
}
}
// Force callback invocation
}, ignored);
}
});
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after",
replaceAll: "replaceWith"
}, function(name, original) {
jQuery.fn[name] = function(selector) {
var elems,
ret = [],
insert = jQuery(selector),
last = insert.length - 1,
i = 0;
for (; i <= last; i++) {
elems = i === last ? this : this.clone(true);
jQuery(insert[i])[original](elems);
// Support: Android <=4.0 only, PhantomJS 1 only
// .get() because push.apply(_, arraylike) throws on ancient WebKit
push.apply(ret, elems.get());
}
return this.pushStack(ret);
};
});
var rnumnonpx = new RegExp("^(" + pnum + ")(?!px)[a-z%]+$", "i");
var getStyles = function(elem) {
// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
// IE throws on elements created in popups
// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
var view = elem.ownerDocument.defaultView;
if (!view || !view.opener) {
view = window;
}
return view.getComputedStyle(elem);
};
var rboxStyle = new RegExp(cssExpand.join("|"), "i");
(function() {
// Executing both pixelPosition & boxSizingReliable tests require only one layout
// so they're executed at the same time to save the second computation.
function computeStyleTests() {
// This is a singleton, we need to execute it only once
if (!div) {
return;
}
container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
"margin-top:1px;padding:0;border:0";
div.style.cssText =
"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
"margin:auto;border:1px;padding:1px;" +
"width:60%;top:1%";
documentElement.appendChild(container).appendChild(div);
var divStyle = window.getComputedStyle(div);
pixelPositionVal = divStyle.top !== "1%";
// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
reliableMarginLeftVal = roundPixelMeasures(divStyle.marginLeft) === 12;
// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
// Some styles come back with percentage values, even though they shouldn't
div.style.right = "60%";
pixelBoxStylesVal = roundPixelMeasures(divStyle.right) === 36;
// Support: IE 9 - 11 only
// Detect misreporting of content dimensions for box-sizing:border-box elements
boxSizingReliableVal = roundPixelMeasures(divStyle.width) === 36;
// Support: IE 9 only
// Detect overflow:scroll screwiness (gh-3699)
// Support: Chrome <=64
// Don't get tricked when zoom affects offsetWidth (gh-4029)
div.style.position = "absolute";
scrollboxSizeVal = roundPixelMeasures(div.offsetWidth / 3) === 12;
documentElement.removeChild(container);
// Nullify the div so it wouldn't be stored in the memory and
// it will also be a sign that checks already performed
div = null;
}
function roundPixelMeasures(measure) {
return Math.round(parseFloat(measure));
}
var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
reliableMarginLeftVal,
container = document.createElement("div"),
div = document.createElement("div");
// Finish early in limited (non-browser) environments
if (!div.style) {
return;
}
// Support: IE <=9 - 11 only
// Style of cloned element affects source element cloned (#8908)
div.style.backgroundClip = "content-box";
div.cloneNode(true).style.backgroundClip = "";
support.clearCloneStyle = div.style.backgroundClip === "content-box";
jQuery.extend(support, {
boxSizingReliable: function() {
computeStyleTests();
return boxSizingReliableVal;
},
pixelBoxStyles: function() {
computeStyleTests();
return pixelBoxStylesVal;
},
pixelPosition: function() {
computeStyleTests();
return pixelPositionVal;
},
reliableMarginLeft: function() {
computeStyleTests();
return reliableMarginLeftVal;
},
scrollboxSize: function() {
computeStyleTests();
return scrollboxSizeVal;
}
});
})();
function curCSS(elem, name, computed) {
var width, minWidth, maxWidth, ret,
// Support: Firefox 51+
// Retrieving style before computed somehow
// fixes an issue with getting wrong values
// on detached elements
style = elem.style;
computed = computed || getStyles(elem);
// getPropertyValue is needed for:
// .css('filter') (IE 9 only, #12537)
// .css('--customProperty) (#3144)
if (computed) {
ret = computed.getPropertyValue(name) || computed[name];
if (ret === "" && !isAttached(elem)) {
ret = jQuery.style(elem, name);
}
// A tribute to the "awesome hack by Dean Edwards"
// Android Browser returns percentage for some values,
// but width seems to be reliably pixels.
// This is against the CSSOM draft spec:
// https://drafts.csswg.org/cssom/#resolved-values
if (!support.pixelBoxStyles() && rnumnonpx.test(ret) && rboxStyle.test(name)) {
// Remember the original values
width = style.width;
minWidth = style.minWidth;
maxWidth = style.maxWidth;
// Put in the new values to get a computed value out
style.minWidth = style.maxWidth = style.width = ret;
ret = computed.width;
// Revert the changed values
style.width = width;
style.minWidth = minWidth;
style.maxWidth = maxWidth;
}
}
return ret !== undefined ?
// Support: IE <=9 - 11 only
// IE returns zIndex value as an integer.
ret + "" :
ret;
}
function addGetHookIf(conditionFn, hookFn) {
// Define the hook, we'll check on the first run if it's really needed.
return {
get: function() {
if (conditionFn()) {
// Hook not needed (or it's not possible to use it due
// to missing dependency), remove it.
delete this.get;
return;
}
// Hook needed; redefine it so that the support test is not executed again.
return (this.get = hookFn).apply(this, arguments);
}
};
}
var cssPrefixes = ["Webkit", "Moz", "ms"],
emptyStyle = document.createElement("div").style,
vendorProps = {};
// Return a vendor-prefixed property or undefined
function vendorPropName(name) {
// Check for vendor prefixed names
var capName = name[0].toUpperCase() + name.slice(1),
i = cssPrefixes.length;
while (i--) {
name = cssPrefixes[i] + capName;
if (name in emptyStyle) {
return name;
}
}
}
// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
function finalPropName(name) {
var final = jQuery.cssProps[name] || vendorProps[name];
if (final) {
return final;
}
if (name in emptyStyle) {
return name;
}
return vendorProps[name] = vendorPropName(name) || name;
}
var
// Swappable if display is none or starts with table
// except "table", "table-cell", or "table-caption"
// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
rdisplayswap = /^(none|table(?!-c[ea]).+)/,
rcustomProp = /^--/,
cssShow = { position: "absolute", visibility: "hidden", display: "block" },
cssNormalTransform = {
letterSpacing: "0",
fontWeight: "400"
};
function setPositiveNumber(elem, value, subtract) {
// Any relative (+/-) values have already been
// normalized at this point
var matches = rcssNum.exec(value);
return matches ?
// Guard against undefined "subtract", e.g., when used as in cssHooks
Math.max(0, matches[2] - (subtract || 0)) + (matches[3] || "px") :
value;
}
function boxModelAdjustment(elem, dimension, box, isBorderBox, styles, computedVal) {
var i = dimension === "width" ? 1 : 0,
extra = 0,
delta = 0;
// Adjustment may not be necessary
if (box === (isBorderBox ? "border" : "content")) {
return 0;
}
for (; i < 4; i += 2) {
// Both box models exclude margin
if (box === "margin") {
delta += jQuery.css(elem, box + cssExpand[i], true, styles);
}
// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
if (!isBorderBox) {
// Add padding
delta += jQuery.css(elem, "padding" + cssExpand[i], true, styles);
// For "border" or "margin", add border
if (box !== "padding") {
delta += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
// But still keep track of it otherwise
} else {
extra += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
}
// If we get here with a border-box (content + padding + border), we're seeking "content" or
// "padding" or "margin"
} else {
// For "content", subtract padding
if (box === "content") {
delta -= jQuery.css(elem, "padding" + cssExpand[i], true, styles);
}
// For "content" or "padding", subtract border
if (box !== "margin") {
delta -= jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
}
}
}
// Account for positive content-box scroll gutter when requested by providing computedVal
if (!isBorderBox && computedVal >= 0) {
// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
// Assuming integer scroll gutter, subtract the rest and round down
delta += Math.max(0, Math.ceil(
elem["offset" + dimension[0].toUpperCase() + dimension.slice(1)] -
computedVal -
delta -
extra -
0.5
// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
// Use an explicit zero to avoid NaN (gh-3964)
)) || 0;
}
return delta;
}
function getWidthOrHeight(elem, dimension, extra) {
// Start with computed style
var styles = getStyles(elem),
// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
// Fake content-box until we know it's needed to know the true value.
boxSizingNeeded = !support.boxSizingReliable() || extra,
isBorderBox = boxSizingNeeded &&
jQuery.css(elem, "boxSizing", false, styles) === "border-box",
valueIsBorderBox = isBorderBox,
val = curCSS(elem, dimension, styles),
offsetProp = "offset" + dimension[0].toUpperCase() + dimension.slice(1);
// Support: Firefox <=54
// Return a confounding non-pixel value or feign ignorance, as appropriate.
if (rnumnonpx.test(val)) {
if (!extra) {
return val;
}
val = "auto";
}
// Fall back to offsetWidth/offsetHeight when value is "auto"
// This happens for inline elements with no explicit setting (gh-3571)
// Support: Android <=4.1 - 4.3 only
// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
// Support: IE 9-11 only
// Also use offsetWidth/offsetHeight for when box sizing is unreliable
// We use getClientRects() to check for hidden/disconnected.
// In those cases, the computed value can be trusted to be border-box
if ((!support.boxSizingReliable() && isBorderBox ||
val === "auto" ||
!parseFloat(val) && jQuery.css(elem, "display", false, styles) === "inline") &&
elem.getClientRects().length) {
isBorderBox = jQuery.css(elem, "boxSizing", false, styles) === "border-box";
// Where available, offsetWidth/offsetHeight approximate border box dimensions.
// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
// retrieved value as a content box dimension.
valueIsBorderBox = offsetProp in elem;
if (valueIsBorderBox) {
val = elem[offsetProp];
}
}
// Normalize "" and auto
val = parseFloat(val) || 0;
// Adjust for the element's box model
return (val +
boxModelAdjustment(
elem,
dimension,
extra || (isBorderBox ? "border" : "content"),
valueIsBorderBox,
styles,
// Provide the current computed size to request scroll gutter calculation (gh-3589)
val
)
) + "px";
}
jQuery.extend({
// Add in style property hooks for overriding the default
// behavior of getting and setting a style property
cssHooks: {
opacity: {
get: function(elem, computed) {
if (computed) {
// We should always get a number back from opacity
var ret = curCSS(elem, "opacity");
return ret === "" ? "1" : ret;
}
}
}
},
// Don't automatically add "px" to these possibly-unitless properties
cssNumber: {
"animationIterationCount": true,
"columnCount": true,
"fillOpacity": true,
"flexGrow": true,
"flexShrink": true,
"fontWeight": true,
"gridArea": true,
"gridColumn": true,
"gridColumnEnd": true,
"gridColumnStart": true,
"gridRow": true,
"gridRowEnd": true,
"gridRowStart": true,
"lineHeight": true,
"opacity": true,
"order": true,
"orphans": true,
"widows": true,
"zIndex": true,
"zoom": true
},
// Add in properties whose names you wish to fix before
// setting or getting the value
cssProps: {},
// Get and set the style property on a DOM Node
style: function(elem, name, value, extra) {
// Don't set styles on text and comment nodes
if (!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) {
return;
}
// Make sure that we're working with the right name
var ret, type, hooks,
origName = camelCase(name),
isCustomProp = rcustomProp.test(name),
style = elem.style;
// Make sure that we're working with the right name. We don't
// want to query the value if it is a CSS custom property
// since they are user-defined.
if (!isCustomProp) {
name = finalPropName(origName);
}
// Gets hook for the prefixed version, then unprefixed version
hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];
// Check if we're setting a value
if (value !== undefined) {
type = typeof value;
// Convert "+=" or "-=" to relative numbers (#7345)
if (type === "string" && (ret = rcssNum.exec(value)) && ret[1]) {
value = adjustCSS(elem, name, ret);
// Fixes bug #9237
type = "number";
}
// Make sure that null and NaN values aren't set (#7116)
if (value == null || value !== value) {
return;
}
// If a number was passed in, add the unit (except for certain CSS properties)
// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
// "px" to a few hardcoded values.
if (type === "number" && !isCustomProp) {
value += ret && ret[3] || (jQuery.cssNumber[origName] ? "" : "px");
}
// background-* props affect original clone's values
if (!support.clearCloneStyle && value === "" && name.indexOf("background") === 0) {
style[name] = "inherit";
}
// If a hook was provided, use that value, otherwise just set the specified value
if (!hooks || !("set" in hooks) ||
(value = hooks.set(elem, value, extra)) !== undefined) {
if (isCustomProp) {
style.setProperty(name, value);
} else {
style[name] = value;
}
}
} else {
// If a hook was provided get the non-computed value from there
if (hooks && "get" in hooks &&
(ret = hooks.get(elem, false, extra)) !== undefined) {
return ret;
}
// Otherwise just get the value from the style object
return style[name];
}
},
css: function(elem, name, extra, styles) {
var val, num, hooks,
origName = camelCase(name),
isCustomProp = rcustomProp.test(name);
// Make sure that we're working with the right name. We don't
// want to modify the value if it is a CSS custom property
// since they are user-defined.
if (!isCustomProp) {
name = finalPropName(origName);
}
// Try prefixed name followed by the unprefixed name
hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];
// If a hook was provided get the computed value from there
if (hooks && "get" in hooks) {
val = hooks.get(elem, true, extra);
}
// Otherwise, if a way to get the computed value exists, use that
if (val === undefined) {
val = curCSS(elem, name, styles);
}
// Convert "normal" to computed value
if (val === "normal" && name in cssNormalTransform) {
val = cssNormalTransform[name];
}
// Make numeric if forced or a qualifier was provided and val looks numeric
if (extra === "" || extra) {
num = parseFloat(val);
return extra === true || isFinite(num) ? num || 0 : val;
}
return val;
}
});
jQuery.each(["height", "width"], function(i, dimension) {
jQuery.cssHooks[dimension] = {
get: function(elem, computed, extra) {
if (computed) {
// Certain elements can have dimension info if we invisibly show them
// but it must have a current display style that would benefit
return rdisplayswap.test(jQuery.css(elem, "display")) &&
// Support: Safari 8+
// Table columns in Safari have non-zero offsetWidth & zero
// getBoundingClientRect().width unless display is changed.
// Support: IE <=11 only
// Running getBoundingClientRect on a disconnected node
// in IE throws an error.
(!elem.getClientRects().length || !elem.getBoundingClientRect().width) ?
swap(elem, cssShow, function() {
return getWidthOrHeight(elem, dimension, extra);
}) :
getWidthOrHeight(elem, dimension, extra);
}
},
set: function(elem, value, extra) {
var matches,
styles = getStyles(elem),
// Only read styles.position if the test has a chance to fail
// to avoid forcing a reflow.
scrollboxSizeBuggy = !support.scrollboxSize() &&
styles.position === "absolute",
// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
boxSizingNeeded = scrollboxSizeBuggy || extra,
isBorderBox = boxSizingNeeded &&
jQuery.css(elem, "boxSizing", false, styles) === "border-box",
subtract = extra ?
boxModelAdjustment(
elem,
dimension,
extra,
isBorderBox,
styles
) :
0;
// Account for unreliable border-box dimensions by comparing offset* to computed and
// faking a content-box to get border and padding (gh-3699)
if (isBorderBox && scrollboxSizeBuggy) {
subtract -= Math.ceil(
elem["offset" + dimension[0].toUpperCase() + dimension.slice(1)] -
parseFloat(styles[dimension]) -
boxModelAdjustment(elem, dimension, "border", false, styles) -
0.5
);
}
// Convert to pixels if value adjustment is needed
if (subtract && (matches = rcssNum.exec(value)) &&
(matches[3] || "px") !== "px") {
elem.style[dimension] = value;
value = jQuery.css(elem, dimension);
}
return setPositiveNumber(elem, value, subtract);
}
};
});
jQuery.cssHooks.marginLeft = addGetHookIf(support.reliableMarginLeft,
function(elem, computed) {
if (computed) {
return (parseFloat(curCSS(elem, "marginLeft")) ||
elem.getBoundingClientRect().left -
swap(elem, { marginLeft: 0 }, function() {
return elem.getBoundingClientRect().left;
})
) + "px";
}
}
);
// These hooks are used by animate to expand properties
jQuery.each({
margin: "",
padding: "",
border: "Width"
}, function(prefix, suffix) {
jQuery.cssHooks[prefix + suffix] = {
expand: function(value) {
var i = 0,
expanded = {},
// Assumes a single number if not a string
parts = typeof value === "string" ? value.split(" ") : [value];
for (; i < 4; i++) {
expanded[prefix + cssExpand[i] + suffix] =
parts[i] || parts[i - 2] || parts[0];
}
return expanded;
}
};
if (prefix !== "margin") {
jQuery.cssHooks[prefix + suffix].set = setPositiveNumber;
}
});
jQuery.fn.extend({
css: function(name, value) {
return access(this, function(elem, name, value) {
var styles, len,
map = {},
i = 0;
if (Array.isArray(name)) {
styles = getStyles(elem);
len = name.length;
for (; i < len; i++) {
map[name[i]] = jQuery.css(elem, name[i], false, styles);
}
return map;
}
return value !== undefined ?
jQuery.style(elem, name, value) :
jQuery.css(elem, name);
}, name, value, arguments.length > 1);
}
});
function Tween(elem, options, prop, end, easing) {
return new Tween.prototype.init(elem, options, prop, end, easing);
}
jQuery.Tween = Tween;
Tween.prototype = {
constructor: Tween,
init: function(elem, options, prop, end, easing, unit) {
this.elem = elem;
this.prop = prop;
this.easing = easing || jQuery.easing._default;
this.options = options;
this.start = this.now = this.cur();
this.end = end;
this.unit = unit || (jQuery.cssNumber[prop] ? "" : "px");
},
cur: function() {
var hooks = Tween.propHooks[this.prop];
return hooks && hooks.get ?
hooks.get(this) :
Tween.propHooks._default.get(this);
},
run: function(percent) {
var eased,
hooks = Tween.propHooks[this.prop];
if (this.options.duration) {
this.pos = eased = jQuery.easing[this.easing](
percent, this.options.duration * percent, 0, 1, this.options.duration
);
} else {
this.pos = eased = percent;
}
this.now = (this.end - this.start) * eased + this.start;
if (this.options.step) {
this.options.step.call(this.elem, this.now, this);
}
if (hooks && hooks.set) {
hooks.set(this);
} else {
Tween.propHooks._default.set(this);
}
return this;
}
};
Tween.prototype.init.prototype = Tween.prototype;
Tween.propHooks = {
_default: {
get: function(tween) {
var result;
// Use a property on the element directly when it is not a DOM element,
// or when there is no matching style property that exists.
if (tween.elem.nodeType !== 1 ||
tween.elem[tween.prop] != null && tween.elem.style[tween.prop] == null) {
return tween.elem[tween.prop];
}
// Passing an empty string as a 3rd parameter to .css will automatically
// attempt a parseFloat and fallback to a string if the parse fails.
// Simple values such as "10px" are parsed to Float;
// complex values such as "rotate(1rad)" are returned as-is.
result = jQuery.css(tween.elem, tween.prop, "");
// Empty strings, null, undefined and "auto" are converted to 0.
return !result || result === "auto" ? 0 : result;
},
set: function(tween) {
// Use step hook for back compat.
// Use cssHook if its there.
// Use .style if available and use plain properties where available.
if (jQuery.fx.step[tween.prop]) {
jQuery.fx.step[tween.prop](tween);
} else if (tween.elem.nodeType === 1 && (
jQuery.cssHooks[tween.prop] ||
tween.elem.style[finalPropName(tween.prop)] != null)) {
jQuery.style(tween.elem, tween.prop, tween.now + tween.unit);
} else {
tween.elem[tween.prop] = tween.now;
}
}
}
};
// Support: IE <=9 only
// Panic based approach to setting things on disconnected nodes
Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
set: function(tween) {
if (tween.elem.nodeType && tween.elem.parentNode) {
tween.elem[tween.prop] = tween.now;
}
}
};
jQuery.easing = {
linear: function(p) {
return p;
},
swing: function(p) {
return 0.5 - Math.cos(p * Math.PI) / 2;
},
_default: "swing"
};
jQuery.fx = Tween.prototype.init;
// Back compat <1.8 extension point
jQuery.fx.step = {};
var
fxNow, inProgress,
rfxtypes = /^(?:toggle|show|hide)$/,
rrun = /queueHooks$/;
function schedule() {
if (inProgress) {
if (document.hidden === false && window.requestAnimationFrame) {
window.requestAnimationFrame(schedule);
} else {
window.setTimeout(schedule, jQuery.fx.interval);
}
jQuery.fx.tick();
}
}
// Animations created synchronously will run synchronously
function createFxNow() {
window.setTimeout(function() {
fxNow = undefined;
});
return (fxNow = Date.now());
}
// Generate parameters to create a standard animation
function genFx(type, includeWidth) {
var which,
i = 0,
attrs = { height: type };
// If we include width, step value is 1 to do all cssExpand values,
// otherwise step value is 2 to skip over Left and Right
includeWidth = includeWidth ? 1 : 0;
for (; i < 4; i += 2 - includeWidth) {
which = cssExpand[i];
attrs["margin" + which] = attrs["padding" + which] = type;
}
if (includeWidth) {
attrs.opacity = attrs.width = type;
}
return attrs;
}
function createTween(value, prop, animation) {
var tween,
collection = (Animation.tweeners[prop] || []).concat(Animation.tweeners["*"]),
index = 0,
length = collection.length;
for (; index < length; index++) {
if ((tween = collection[index].call(animation, prop, value))) {
// We're done with this property
return tween;
}
}
}
function defaultPrefilter(elem, props, opts) {
var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
isBox = "width" in props || "height" in props,
anim = this,
orig = {},
style = elem.style,
hidden = elem.nodeType && isHiddenWithinTree(elem),
dataShow = dataPriv.get(elem, "fxshow");
// Queue-skipping animations hijack the fx hooks
if (!opts.queue) {
hooks = jQuery._queueHooks(elem, "fx");
if (hooks.unqueued == null) {
hooks.unqueued = 0;
oldfire = hooks.empty.fire;
hooks.empty.fire = function() {
if (!hooks.unqueued) {
oldfire();
}
};
}
hooks.unqueued++;
anim.always(function() {
// Ensure the complete handler is called before this completes
anim.always(function() {
hooks.unqueued--;
if (!jQuery.queue(elem, "fx").length) {
hooks.empty.fire();
}
});
});
}
// Detect show/hide animations
for (prop in props) {
value = props[prop];
if (rfxtypes.test(value)) {
delete props[prop];
toggle = toggle || value === "toggle";
if (value === (hidden ? "hide" : "show")) {
// Pretend to be hidden if this is a "show" and
// there is still data from a stopped show/hide
if (value === "show" && dataShow && dataShow[prop] !== undefined) {
hidden = true;
// Ignore all other no-op show/hide data
} else {
continue;
}
}
orig[prop] = dataShow && dataShow[prop] || jQuery.style(elem, prop);
}
}
// Bail out if this is a no-op like .hide().hide()
propTween = !jQuery.isEmptyObject(props);
if (!propTween && jQuery.isEmptyObject(orig)) {
return;
}
// Restrict "overflow" and "display" styles during box animations
if (isBox && elem.nodeType === 1) {
// Support: IE <=9 - 11, Edge 12 - 15
// Record all 3 overflow attributes because IE does not infer the shorthand
// from identically-valued overflowX and overflowY and Edge just mirrors
// the overflowX value there.
opts.overflow = [style.overflow, style.overflowX, style.overflowY];
// Identify a display type, preferring old show/hide data over the CSS cascade
restoreDisplay = dataShow && dataShow.display;
if (restoreDisplay == null) {
restoreDisplay = dataPriv.get(elem, "display");
}
display = jQuery.css(elem, "display");
if (display === "none") {
if (restoreDisplay) {
display = restoreDisplay;
} else {
// Get nonempty value(s) by temporarily forcing visibility
showHide([elem], true);
restoreDisplay = elem.style.display || restoreDisplay;
display = jQuery.css(elem, "display");
showHide([elem]);
}
}
// Animate inline elements as inline-block
if (display === "inline" || display === "inline-block" && restoreDisplay != null) {
if (jQuery.css(elem, "float") === "none") {
// Restore the original display value at the end of pure show/hide animations
if (!propTween) {
anim.done(function() {
style.display = restoreDisplay;
});
if (restoreDisplay == null) {
display = style.display;
restoreDisplay = display === "none" ? "" : display;
}
}
style.display = "inline-block";
}
}
}
if (opts.overflow) {
style.overflow = "hidden";
anim.always(function() {
style.overflow = opts.overflow[0];
style.overflowX = opts.overflow[1];
style.overflowY = opts.overflow[2];
});
}
// Implement show/hide animations
propTween = false;
for (prop in orig) {
// General show/hide setup for this element animation
if (!propTween) {
if (dataShow) {
if ("hidden" in dataShow) {
hidden = dataShow.hidden;
}
} else {
dataShow = dataPriv.access(elem, "fxshow", { display: restoreDisplay });
}
// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
if (toggle) {
dataShow.hidden = !hidden;
}
// Show elements before animating them
if (hidden) {
showHide([elem], true);
}
/* eslint-disable no-loop-func */
anim.done(function() {
/* eslint-enable no-loop-func */
// The final step of a "hide" animation is actually hiding the element
if (!hidden) {
showHide([elem]);
}
dataPriv.remove(elem, "fxshow");
for (prop in orig) {
jQuery.style(elem, prop, orig[prop]);
}
});
}
// Per-property setup
propTween = createTween(hidden ? dataShow[prop] : 0, prop, anim);
if (!(prop in dataShow)) {
dataShow[prop] = propTween.start;
if (hidden) {
propTween.end = propTween.start;
propTween.start = 0;
}
}
}
}
function propFilter(props, specialEasing) {
var index, name, easing, value, hooks;
// camelCase, specialEasing and expand cssHook pass
for (index in props) {
name = camelCase(index);
easing = specialEasing[name];
value = props[index];
if (Array.isArray(value)) {
easing = value[1];
value = props[index] = value[0];
}
if (index !== name) {
props[name] = value;
delete props[index];
}
hooks = jQuery.cssHooks[name];
if (hooks && "expand" in hooks) {
value = hooks.expand(value);
delete props[name];
// Not quite $.extend, this won't overwrite existing keys.
// Reusing 'index' because we have the correct "name"
for (index in value) {
if (!(index in props)) {
props[index] = value[index];
specialEasing[index] = easing;
}
}
} else {
specialEasing[name] = easing;
}
}
}
function Animation(elem, properties, options) {
var result,
stopped,
index = 0,
length = Animation.prefilters.length,
deferred = jQuery.Deferred().always(function() {
// Don't match elem in the :animated selector
delete tick.elem;
}),
tick = function() {
if (stopped) {
return false;
}
var currentTime = fxNow || createFxNow(),
remaining = Math.max(0, animation.startTime + animation.duration - currentTime),
// Support: Android 2.3 only
// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
temp = remaining / animation.duration || 0,
percent = 1 - temp,
index = 0,
length = animation.tweens.length;
for (; index < length; index++) {
animation.tweens[index].run(percent);
}
deferred.notifyWith(elem, [animation, percent, remaining]);
// If there's more to do, yield
if (percent < 1 && length) {
return remaining;
}
// If this was an empty animation, synthesize a final progress notification
if (!length) {
deferred.notifyWith(elem, [animation, 1, 0]);
}
// Resolve the animation and report its conclusion
deferred.resolveWith(elem, [animation]);
return false;
},
animation = deferred.promise({
elem: elem,
props: jQuery.extend({}, properties),
opts: jQuery.extend(true, {
specialEasing: {},
easing: jQuery.easing._default
}, options),
originalProperties: properties,
originalOptions: options,
startTime: fxNow || createFxNow(),
duration: options.duration,
tweens: [],
createTween: function(prop, end) {
var tween = jQuery.Tween(elem, animation.opts, prop, end,
animation.opts.specialEasing[prop] || animation.opts.easing);
animation.tweens.push(tween);
return tween;
},
stop: function(gotoEnd) {
var index = 0,
// If we are going to the end, we want to run all the tweens
// otherwise we skip this part
length = gotoEnd ? animation.tweens.length : 0;
if (stopped) {
return this;
}
stopped = true;
for (; index < length; index++) {
animation.tweens[index].run(1);
}
// Resolve when we played the last frame; otherwise, reject
if (gotoEnd) {
deferred.notifyWith(elem, [animation, 1, 0]);
deferred.resolveWith(elem, [animation, gotoEnd]);
} else {
deferred.rejectWith(elem, [animation, gotoEnd]);
}
return this;
}
}),
props = animation.props;
propFilter(props, animation.opts.specialEasing);
for (; index < length; index++) {
result = Animation.prefilters[index].call(animation, elem, props, animation.opts);
if (result) {
if (isFunction(result.stop)) {
jQuery._queueHooks(animation.elem, animation.opts.queue).stop =
result.stop.bind(result);
}
return result;
}
}
jQuery.map(props, createTween, animation);
if (isFunction(animation.opts.start)) {
animation.opts.start.call(elem, animation);
}
// Attach callbacks from options
animation
.progress(animation.opts.progress)
.done(animation.opts.done, animation.opts.complete)
.fail(animation.opts.fail)
.always(animation.opts.always);
jQuery.fx.timer(
jQuery.extend(tick, {
elem: elem,
anim: animation,
queue: animation.opts.queue
})
);
return animation;
}
jQuery.Animation = jQuery.extend(Animation, {
tweeners: {
"*": [function(prop, value) {
var tween = this.createTween(prop, value);
adjustCSS(tween.elem, prop, rcssNum.exec(value), tween);
return tween;
}]
},
tweener: function(props, callback) {
if (isFunction(props)) {
callback = props;
props = ["*"];
} else {
props = props.match(rnothtmlwhite);
}
var prop,
index = 0,
length = props.length;
for (; index < length; index++) {
prop = props[index];
Animation.tweeners[prop] = Animation.tweeners[prop] || [];
Animation.tweeners[prop].unshift(callback);
}
},
prefilters: [defaultPrefilter],
prefilter: function(callback, prepend) {
if (prepend) {
Animation.prefilters.unshift(callback);
} else {
Animation.prefilters.push(callback);
}
}
});
jQuery.speed = function(speed, easing, fn) {
var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
complete: fn || !fn && easing ||
isFunction(speed) && speed,
duration: speed,
easing: fn && easing || easing && !isFunction(easing) && easing
};
// Go to the end state if fx are off
if (jQuery.fx.off) {
opt.duration = 0;
} else {
if (typeof opt.duration !== "number") {
if (opt.duration in jQuery.fx.speeds) {
opt.duration = jQuery.fx.speeds[opt.duration];
} else {
opt.duration = jQuery.fx.speeds._default;
}
}
}
// Normalize opt.queue - true/undefined/null -> "fx"
if (opt.queue == null || opt.queue === true) {
opt.queue = "fx";
}
// Queueing
opt.old = opt.complete;
opt.complete = function() {
if (isFunction(opt.old)) {
opt.old.call(this);
}
if (opt.queue) {
jQuery.dequeue(this, opt.queue);
}
};
return opt;
};
jQuery.fn.extend({
fadeTo: function(speed, to, easing, callback) {
// Show any hidden elements after setting opacity to 0
return this.filter(isHiddenWithinTree).css("opacity", 0).show()
// Animate to the value specified
.end().animate({ opacity: to }, speed, easing, callback);
},
animate: function(prop, speed, easing, callback) {
var empty = jQuery.isEmptyObject(prop),
optall = jQuery.speed(speed, easing, callback),
doAnimation = function() {
// Operate on a copy of prop so per-property easing won't be lost
var anim = Animation(this, jQuery.extend({}, prop), optall);
// Empty animations, or finishing resolves immediately
if (empty || dataPriv.get(this, "finish")) {
anim.stop(true);
}
};
doAnimation.finish = doAnimation;
return empty || optall.queue === false ?
this.each(doAnimation) :
this.queue(optall.queue, doAnimation);
},
stop: function(type, clearQueue, gotoEnd) {
var stopQueue = function(hooks) {
var stop = hooks.stop;
delete hooks.stop;
stop(gotoEnd);
};
if (typeof type !== "string") {
gotoEnd = clearQueue;
clearQueue = type;
type = undefined;
}
if (clearQueue && type !== false) {
this.queue(type || "fx", []);
}
return this.each(function() {
var dequeue = true,
index = type != null && type + "queueHooks",
timers = jQuery.timers,
data = dataPriv.get(this);
if (index) {
if (data[index] && data[index].stop) {
stopQueue(data[index]);
}
} else {
for (index in data) {
if (data[index] && data[index].stop && rrun.test(index)) {
stopQueue(data[index]);
}
}
}
for (index = timers.length; index--;) {
if (timers[index].elem === this &&
(type == null || timers[index].queue === type)) {
timers[index].anim.stop(gotoEnd);
dequeue = false;
timers.splice(index, 1);
}
}
// Start the next in the queue if the last step wasn't forced.
// Timers currently will call their complete callbacks, which
// will dequeue but only if they were gotoEnd.
if (dequeue || !gotoEnd) {
jQuery.dequeue(this, type);
}
});
},
finish: function(type) {
if (type !== false) {
type = type || "fx";
}
return this.each(function() {
var index,
data = dataPriv.get(this),
queue = data[type + "queue"],
hooks = data[type + "queueHooks"],
timers = jQuery.timers,
length = queue ? queue.length : 0;
// Enable finishing flag on private data
data.finish = true;
// Empty the queue first
jQuery.queue(this, type, []);
if (hooks && hooks.stop) {
hooks.stop.call(this, true);
}
// Look for any active animations, and finish them
for (index = timers.length; index--;) {
if (timers[index].elem === this && timers[index].queue === type) {
timers[index].anim.stop(true);
timers.splice(index, 1);
}
}
// Look for any animations in the old queue and finish them
for (index = 0; index < length; index++) {
if (queue[index] && queue[index].finish) {
queue[index].finish.call(this);
}
}
// Turn off finishing flag
delete data.finish;
});
}
});
jQuery.each(["toggle", "show", "hide"], function(i, name) {
var cssFn = jQuery.fn[name];
jQuery.fn[name] = function(speed, easing, callback) {
return speed == null || typeof speed === "boolean" ?
cssFn.apply(this, arguments) :
this.animate(genFx(name, true), speed, easing, callback);
};
});
// Generate shortcuts for custom animations
jQuery.each({
slideDown: genFx("show"),
slideUp: genFx("hide"),
slideToggle: genFx("toggle"),
fadeIn: { opacity: "show" },
fadeOut: { opacity: "hide" },
fadeToggle: { opacity: "toggle" }
}, function(name, props) {
jQuery.fn[name] = function(speed, easing, callback) {
return this.animate(props, speed, easing, callback);
};
});
jQuery.timers = [];
jQuery.fx.tick = function() {
var timer,
i = 0,
timers = jQuery.timers;
fxNow = Date.now();
for (; i < timers.length; i++) {
timer = timers[i];
// Run the timer and safely remove it when done (allowing for external removal)
if (!timer() && timers[i] === timer) {
timers.splice(i--, 1);
}
}
if (!timers.length) {
jQuery.fx.stop();
}
fxNow = undefined;
};
jQuery.fx.timer = function(timer) {
jQuery.timers.push(timer);
jQuery.fx.start();
};
jQuery.fx.interval = 13;
jQuery.fx.start = function() {
if (inProgress) {
return;
}
inProgress = true;
schedule();
};
jQuery.fx.stop = function() {
inProgress = null;
};
jQuery.fx.speeds = {
slow: 600,
fast: 200,
// Default speed
_default: 400
};
// Based off of the plugin by Clint Helfers, with permission.
// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
jQuery.fn.delay = function(time, type) {
time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
type = type || "fx";
return this.queue(type, function(next, hooks) {
var timeout = window.setTimeout(next, time);
hooks.stop = function() {
window.clearTimeout(timeout);
};
});
};
(function() {
var input = document.createElement("input"),
select = document.createElement("select"),
opt = select.appendChild(document.createElement("option"));
input.type = "checkbox";
// Support: Android <=4.3 only
// Default value for a checkbox should be "on"
support.checkOn = input.value !== "";
// Support: IE <=11 only
// Must access selectedIndex to make default options select
support.optSelected = opt.selected;
// Support: IE <=11 only
// An input loses its value after becoming a radio
input = document.createElement("input");
input.value = "t";
input.type = "radio";
support.radioValue = input.value === "t";
})();
var boolHook,
attrHandle = jQuery.expr.attrHandle;
jQuery.fn.extend({
attr: function(name, value) {
return access(this, jQuery.attr, name, value, arguments.length > 1);
},
removeAttr: function(name) {
return this.each(function() {
jQuery.removeAttr(this, name);
});
}
});
jQuery.extend({
attr: function(elem, name, value) {
var ret, hooks,
nType = elem.nodeType;
// Don't get/set attributes on text, comment and attribute nodes
if (nType === 3 || nType === 8 || nType === 2) {
return;
}
// Fallback to prop when attributes are not supported
if (typeof elem.getAttribute === "undefined") {
return jQuery.prop(elem, name, value);
}
// Attribute hooks are determined by the lowercase version
// Grab necessary hook if one is defined
if (nType !== 1 || !jQuery.isXMLDoc(elem)) {
hooks = jQuery.attrHooks[name.toLowerCase()] ||
(jQuery.expr.match.bool.test(name) ? boolHook : undefined);
}
if (value !== undefined) {
if (value === null) {
jQuery.removeAttr(elem, name);
return;
}
if (hooks && "set" in hooks &&
(ret = hooks.set(elem, value, name)) !== undefined) {
return ret;
}
elem.setAttribute(name, value + "");
return value;
}
if (hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
return ret;
}
ret = jQuery.find.attr(elem, name);
// Non-existent attributes return null, we normalize to undefined
return ret == null ? undefined : ret;
},
attrHooks: {
type: {
set: function(elem, value) {
if (!support.radioValue && value === "radio" &&
nodeName(elem, "input")) {
var val = elem.value;
elem.setAttribute("type", value);
if (val) {
elem.value = val;
}
return value;
}
}
}
},
removeAttr: function(elem, value) {
var name,
i = 0,
// Attribute names can contain non-HTML whitespace characters
// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
attrNames = value && value.match(rnothtmlwhite);
if (attrNames && elem.nodeType === 1) {
while ((name = attrNames[i++])) {
elem.removeAttribute(name);
}
}
}
});
// Hooks for boolean attributes
boolHook = {
set: function(elem, value, name) {
if (value === false) {
// Remove boolean attributes when set to false
jQuery.removeAttr(elem, name);
} else {
elem.setAttribute(name, name);
}
return name;
}
};
jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g), function(i, name) {
var getter = attrHandle[name] || jQuery.find.attr;
attrHandle[name] = function(elem, name, isXML) {
var ret, handle,
lowercaseName = name.toLowerCase();
if (!isXML) {
// Avoid an infinite loop by temporarily removing this function from the getter
handle = attrHandle[lowercaseName];
attrHandle[lowercaseName] = ret;
ret = getter(elem, name, isXML) != null ?
lowercaseName :
null;
attrHandle[lowercaseName] = handle;
}
return ret;
};
});
var rfocusable = /^(?:input|select|textarea|button)$/i,
rclickable = /^(?:a|area)$/i;
jQuery.fn.extend({
prop: function(name, value) {
return access(this, jQuery.prop, name, value, arguments.length > 1);
},
removeProp: function(name) {
return this.each(function() {
delete this[jQuery.propFix[name] || name];
});
}
});
jQuery.extend({
prop: function(elem, name, value) {
var ret, hooks,
nType = elem.nodeType;
// Don't get/set properties on text, comment and attribute nodes
if (nType === 3 || nType === 8 || nType === 2) {
return;
}
if (nType !== 1 || !jQuery.isXMLDoc(elem)) {
// Fix name and attach hooks
name = jQuery.propFix[name] || name;
hooks = jQuery.propHooks[name];
}
if (value !== undefined) {
if (hooks && "set" in hooks &&
(ret = hooks.set(elem, value, name)) !== undefined) {
return ret;
}
return (elem[name] = value);
}
if (hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
return ret;
}
return elem[name];
},
propHooks: {
tabIndex: {
get: function(elem) {
// Support: IE <=9 - 11 only
// elem.tabIndex doesn't always return the
// correct value when it hasn't been explicitly set
// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
// Use proper attribute retrieval(#12072)
var tabindex = jQuery.find.attr(elem, "tabindex");
if (tabindex) {
return parseInt(tabindex, 10);
}
if (
rfocusable.test(elem.nodeName) ||
rclickable.test(elem.nodeName) &&
elem.href
) {
return 0;
}
return -1;
}
}
},
propFix: {
"for": "htmlFor",
"class": "className"
}
});
// Support: IE <=11 only
// Accessing the selectedIndex property
// forces the browser to respect setting selected
// on the option
// The getter ensures a default option is selected
// when in an optgroup
// eslint rule "no-unused-expressions" is disabled for this code
// since it considers such accessions noop
if (!support.optSelected) {
jQuery.propHooks.selected = {
get: function(elem) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode;
if (parent && parent.parentNode) {
parent.parentNode.selectedIndex;
}
return null;
},
set: function(elem) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode;
if (parent) {
parent.selectedIndex;
if (parent.parentNode) {
parent.parentNode.selectedIndex;
}
}
}
};
}
jQuery.each([
"tabIndex",
"readOnly",
"maxLength",
"cellSpacing",
"cellPadding",
"rowSpan",
"colSpan",
"useMap",
"frameBorder",
"contentEditable"
], function() {
jQuery.propFix[this.toLowerCase()] = this;
});
// Strip and collapse whitespace according to HTML spec
// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
function stripAndCollapse(value) {
var tokens = value.match(rnothtmlwhite) || [];
return tokens.join(" ");
}
function getClass(elem) {
return elem.getAttribute && elem.getAttribute("class") || "";
}
function classesToArray(value) {
if (Array.isArray(value)) {
return value;
}
if (typeof value === "string") {
return value.match(rnothtmlwhite) || [];
}
return [];
}
jQuery.fn.extend({
addClass: function(value) {
var classes, elem, cur, curValue, clazz, j, finalValue,
i = 0;
if (isFunction(value)) {
return this.each(function(j) {
jQuery(this).addClass(value.call(this, j, getClass(this)));
});
}
classes = classesToArray(value);
if (classes.length) {
while ((elem = this[i++])) {
curValue = getClass(elem);
cur = elem.nodeType === 1 && (" " + stripAndCollapse(curValue) + " ");
if (cur) {
j = 0;
while ((clazz = classes[j++])) {
if (cur.indexOf(" " + clazz + " ") < 0) {
cur += clazz + " ";
}
}
// Only assign if different to avoid unneeded rendering.
finalValue = stripAndCollapse(cur);
if (curValue !== finalValue) {
elem.setAttribute("class", finalValue);
}
}
}
}
return this;
},
removeClass: function(value) {
var classes, elem, cur, curValue, clazz, j, finalValue,
i = 0;
if (isFunction(value)) {
return this.each(function(j) {
jQuery(this).removeClass(value.call(this, j, getClass(this)));
});
}
if (!arguments.length) {
return this.attr("class", "");
}
classes = classesToArray(value);
if (classes.length) {
while ((elem = this[i++])) {
curValue = getClass(elem);
// This expression is here for better compressibility (see addClass)
cur = elem.nodeType === 1 && (" " + stripAndCollapse(curValue) + " ");
if (cur) {
j = 0;
while ((clazz = classes[j++])) {
// Remove *all* instances
while (cur.indexOf(" " + clazz + " ") > -1) {
cur = cur.replace(" " + clazz + " ", " ");
}
}
// Only assign if different to avoid unneeded rendering.
finalValue = stripAndCollapse(cur);
if (curValue !== finalValue) {
elem.setAttribute("class", finalValue);
}
}
}
}
return this;
},
toggleClass: function(value, stateVal) {
var type = typeof value,
isValidValue = type === "string" || Array.isArray(value);
if (typeof stateVal === "boolean" && isValidValue) {
return stateVal ? this.addClass(value) : this.removeClass(value);
}
if (isFunction(value)) {
return this.each(function(i) {
jQuery(this).toggleClass(
value.call(this, i, getClass(this), stateVal),
stateVal
);
});
}
return this.each(function() {
var className, i, self, classNames;
if (isValidValue) {
// Toggle individual class names
i = 0;
self = jQuery(this);
classNames = classesToArray(value);
while ((className = classNames[i++])) {
// Check each className given, space separated list
if (self.hasClass(className)) {
self.removeClass(className);
} else {
self.addClass(className);
}
}
// Toggle whole class name
} else if (value === undefined || type === "boolean") {
className = getClass(this);
if (className) {
// Store className if set
dataPriv.set(this, "__className__", className);
}
// If the element has a class name or if we're passed `false`,
// then remove the whole classname (if there was one, the above saved it).
// Otherwise bring back whatever was previously saved (if anything),
// falling back to the empty string if nothing was stored.
if (this.setAttribute) {
this.setAttribute("class",
className || value === false ?
"" :
dataPriv.get(this, "__className__") || ""
);
}
}
});
},
hasClass: function(selector) {
var className, elem,
i = 0;
className = " " + selector + " ";
while ((elem = this[i++])) {
if (elem.nodeType === 1 &&
(" " + stripAndCollapse(getClass(elem)) + " ").indexOf(className) > -1) {
return true;
}
}
return false;
}
});
var rreturn = /\r/g;
jQuery.fn.extend({
val: function(value) {
var hooks, ret, valueIsFunction,
elem = this[0];
if (!arguments.length) {
if (elem) {
hooks = jQuery.valHooks[elem.type] ||
jQuery.valHooks[elem.nodeName.toLowerCase()];
if (hooks &&
"get" in hooks &&
(ret = hooks.get(elem, "value")) !== undefined
) {
return ret;
}
ret = elem.value;
// Handle most common string cases
if (typeof ret === "string") {
return ret.replace(rreturn, "");
}
// Handle cases where value is null/undef or number
return ret == null ? "" : ret;
}
return;
}
valueIsFunction = isFunction(value);
return this.each(function(i) {
var val;
if (this.nodeType !== 1) {
return;
}
if (valueIsFunction) {
val = value.call(this, i, jQuery(this).val());
} else {
val = value;
}
// Treat null/undefined as ""; convert numbers to string
if (val == null) {
val = "";
} else if (typeof val === "number") {
val += "";
} else if (Array.isArray(val)) {
val = jQuery.map(val, function(value) {
return value == null ? "" : value + "";
});
}
hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()];
// If set returns undefined, fall back to normal setting
if (!hooks || !("set" in hooks) || hooks.set(this, val, "value") === undefined) {
this.value = val;
}
});
}
});
jQuery.extend({
valHooks: {
option: {
get: function(elem) {
var val = jQuery.find.attr(elem, "value");
return val != null ?
val :
// Support: IE <=10 - 11 only
// option.text throws exceptions (#14686, #14858)
// Strip and collapse whitespace
// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
stripAndCollapse(jQuery.text(elem));
}
},
select: {
get: function(elem) {
var value, option, i,
options = elem.options,
index = elem.selectedIndex,
one = elem.type === "select-one",
values = one ? null : [],
max = one ? index + 1 : options.length;
if (index < 0) {
i = max;
} else {
i = one ? index : 0;
}
// Loop through all the selected options
for (; i < max; i++) {
option = options[i];
// Support: IE <=9 only
// IE8-9 doesn't update selected after form reset (#2551)
if ((option.selected || i === index) &&
// Don't return options that are disabled or in a disabled optgroup
!option.disabled &&
(!option.parentNode.disabled ||
!nodeName(option.parentNode, "optgroup"))) {
// Get the specific value for the option
value = jQuery(option).val();
// We don't need an array for one selects
if (one) {
return value;
}
// Multi-Selects return an array
values.push(value);
}
}
return values;
},
set: function(elem, value) {
var optionSet, option,
options = elem.options,
values = jQuery.makeArray(value),
i = options.length;
while (i--) {
option = options[i];
/* eslint-disable no-cond-assign */
if (option.selected =
jQuery.inArray(jQuery.valHooks.option.get(option), values) > -1
) {
optionSet = true;
}
/* eslint-enable no-cond-assign */
}
// Force browsers to behave consistently when non-matching value is set
if (!optionSet) {
elem.selectedIndex = -1;
}
return values;
}
}
}
});
// Radios and checkboxes getter/setter
jQuery.each(["radio", "checkbox"], function() {
jQuery.valHooks[this] = {
set: function(elem, value) {
if (Array.isArray(value)) {
return (elem.checked = jQuery.inArray(jQuery(elem).val(), value) > -1);
}
}
};
if (!support.checkOn) {
jQuery.valHooks[this].get = function(elem) {
return elem.getAttribute("value") === null ? "on" : elem.value;
};
}
});
// Return jQuery for attributes-only inclusion
support.focusin = "onfocusin" in window;
var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
stopPropagationCallback = function(e) {
e.stopPropagation();
};
jQuery.extend(jQuery.event, {
trigger: function(event, data, elem, onlyHandlers) {
var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
eventPath = [elem || document],
type = hasOwn.call(event, "type") ? event.type : event,
namespaces = hasOwn.call(event, "namespace") ? event.namespace.split(".") : [];
cur = lastElement = tmp = elem = elem || document;
// Don't do events on text and comment nodes
if (elem.nodeType === 3 || elem.nodeType === 8) {
return;
}
// focus/blur morphs to focusin/out; ensure we're not firing them right now
if (rfocusMorph.test(type + jQuery.event.triggered)) {
return;
}
if (type.indexOf(".") > -1) {
// Namespaced trigger; create a regexp to match event type in handle()
namespaces = type.split(".");
type = namespaces.shift();
namespaces.sort();
}
ontype = type.indexOf(":") < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string
event = event[jQuery.expando] ?
event :
new jQuery.Event(type, typeof event === "object" && event);
// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
event.isTrigger = onlyHandlers ? 2 : 3;
event.namespace = namespaces.join(".");
event.rnamespace = event.namespace ?
new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") :
null;
// Clean up the event in case it is being reused
event.result = undefined;
if (!event.target) {
event.target = elem;
}
// Clone any incoming data and prepend the event, creating the handler arg list
data = data == null ? [event] :
jQuery.makeArray(data, [event]);
// Allow special events to draw outside the lines
special = jQuery.event.special[type] || {};
if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) {
return;
}
// Determine event propagation path in advance, per W3C events spec (#9951)
// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
if (!onlyHandlers && !special.noBubble && !isWindow(elem)) {
bubbleType = special.delegateType || type;
if (!rfocusMorph.test(bubbleType + type)) {
cur = cur.parentNode;
}
for (; cur; cur = cur.parentNode) {
eventPath.push(cur);
tmp = cur;
}
// Only add window if we got to document (e.g., not plain obj or detached DOM)
if (tmp === (elem.ownerDocument || document)) {
eventPath.push(tmp.defaultView || tmp.parentWindow || window);
}
}
// Fire handlers on the event path
i = 0;
while ((cur = eventPath[i++]) && !event.isPropagationStopped()) {
lastElement = cur;
event.type = i > 1 ?
bubbleType :
special.bindType || type;
// jQuery handler
handle = (dataPriv.get(cur, "events") || {})[event.type] &&
dataPriv.get(cur, "handle");
if (handle) {
handle.apply(cur, data);
}
// Native handler
handle = ontype && cur[ontype];
if (handle && handle.apply && acceptData(cur)) {
event.result = handle.apply(cur, data);
if (event.result === false) {
event.preventDefault();
}
}
}
event.type = type;
// If nobody prevented the default action, do it now
if (!onlyHandlers && !event.isDefaultPrevented()) {
if ((!special._default ||
special._default.apply(eventPath.pop(), data) === false) &&
acceptData(elem)) {
// Call a native DOM method on the target with the same name as the event.
// Don't do default actions on window, that's where global variables be (#6170)
if (ontype && isFunction(elem[type]) && !isWindow(elem)) {
// Don't re-trigger an onFOO event when we call its FOO() method
tmp = elem[ontype];
if (tmp) {
elem[ontype] = null;
}
// Prevent re-triggering of the same event, since we already bubbled it above
jQuery.event.triggered = type;
if (event.isPropagationStopped()) {
lastElement.addEventListener(type, stopPropagationCallback);
}
elem[type]();
if (event.isPropagationStopped()) {
lastElement.removeEventListener(type, stopPropagationCallback);
}
jQuery.event.triggered = undefined;
if (tmp) {
elem[ontype] = tmp;
}
}
}
}
return event.result;
},
// Piggyback on a donor event to simulate a different one
// Used only for `focus(in | out)` events
simulate: function(type, elem, event) {
var e = jQuery.extend(
new jQuery.Event(),
event, {
type: type,
isSimulated: true
}
);
jQuery.event.trigger(e, null, elem);
}
});
jQuery.fn.extend({
trigger: function(type, data) {
return this.each(function() {
jQuery.event.trigger(type, data, this);
});
},
triggerHandler: function(type, data) {
var elem = this[0];
if (elem) {
return jQuery.event.trigger(type, data, elem, true);
}
}
});
// Support: Firefox <=44
// Firefox doesn't have focus(in | out) events
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
//
// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
// focus(in | out) events fire after focus & blur events,
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
if (!support.focusin) {
jQuery.each({ focus: "focusin", blur: "focusout" }, function(orig, fix) {
// Attach a single capturing handler on the document while someone wants focusin/focusout
var handler = function(event) {
jQuery.event.simulate(fix, event.target, jQuery.event.fix(event));
};
jQuery.event.special[fix] = {
setup: function() {
var doc = this.ownerDocument || this,
attaches = dataPriv.access(doc, fix);
if (!attaches) {
doc.addEventListener(orig, handler, true);
}
dataPriv.access(doc, fix, (attaches || 0) + 1);
},
teardown: function() {
var doc = this.ownerDocument || this,
attaches = dataPriv.access(doc, fix) - 1;
if (!attaches) {
doc.removeEventListener(orig, handler, true);
dataPriv.remove(doc, fix);
} else {
dataPriv.access(doc, fix, attaches);
}
}
};
});
}
var location = window.location;
var nonce = Date.now();
var rquery = (/\?/);
// Cross-browser xml parsing
jQuery.parseXML = function(data) {
var xml;
if (!data || typeof data !== "string") {
return null;
}
// Support: IE 9 - 11 only
// IE throws on parseFromString with invalid input.
try {
xml = (new window.DOMParser()).parseFromString(data, "text/xml");
} catch (e) {
xml = undefined;
}
if (!xml || xml.getElementsByTagName("parsererror").length) {
jQuery.error("Invalid XML: " + data);
}
return xml;
};
var
rbracket = /\[\]$/,
rCRLF = /\r?\n/g,
rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
rsubmittable = /^(?:input|select|textarea|keygen)/i;
function buildParams(prefix, obj, traditional, add) {
var name;
if (Array.isArray(obj)) {
// Serialize array item.
jQuery.each(obj, function(i, v) {
if (traditional || rbracket.test(prefix)) {
// Treat each array item as a scalar.
add(prefix, v);
} else {
// Item is non-scalar (array or object), encode its numeric index.
buildParams(
prefix + "[" + (typeof v === "object" && v != null ? i : "") + "]",
v,
traditional,
add
);
}
});
} else if (!traditional && toType(obj) === "object") {
// Serialize object item.
for (name in obj) {
buildParams(prefix + "[" + name + "]", obj[name], traditional, add);
}
} else {
// Serialize scalar item.
add(prefix, obj);
}
}
// Serialize an array of form elements or a set of
// key/values into a query string
jQuery.param = function(a, traditional) {
var prefix,
s = [],
add = function(key, valueOrFunction) {
// If value is a function, invoke it and use its return value
var value = isFunction(valueOrFunction) ?
valueOrFunction() :
valueOrFunction;
s[s.length] = encodeURIComponent(key) + "=" +
encodeURIComponent(value == null ? "" : value);
};
if (a == null) {
return "";
}
// If an array was passed in, assume that it is an array of form elements.
if (Array.isArray(a) || (a.jquery && !jQuery.isPlainObject(a))) {
// Serialize the form elements
jQuery.each(a, function() {
add(this.name, this.value);
});
} else {
// If traditional, encode the "old" way (the way 1.3.2 or older
// did it), otherwise encode params recursively.
for (prefix in a) {
buildParams(prefix, a[prefix], traditional, add);
}
}
// Return the resulting serialization
return s.join("&");
};
jQuery.fn.extend({
serialize: function() {
return jQuery.param(this.serializeArray());
},
serializeArray: function() {
return this.map(function() {
// Can add propHook for "elements" to filter or add form elements
var elements = jQuery.prop(this, "elements");
return elements ? jQuery.makeArray(elements) : this;
})
.filter(function() {
var type = this.type;
// Use .is( ":disabled" ) so that fieldset[disabled] works
return this.name && !jQuery(this).is(":disabled") &&
rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) &&
(this.checked || !rcheckableType.test(type));
})
.map(function(i, elem) {
var val = jQuery(this).val();
if (val == null) {
return null;
}
if (Array.isArray(val)) {
return jQuery.map(val, function(val) {
return { name: elem.name, value: val.replace(rCRLF, "\r\n") };
});
}
return { name: elem.name, value: val.replace(rCRLF, "\r\n") };
}).get();
}
});
var
r20 = /%20/g,
rhash = /#.*$/,
rantiCache = /([?&])_=[^&]*/,
rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
// #7653, #8125, #8152: local protocol detection
rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
rnoContent = /^(?:GET|HEAD)$/,
rprotocol = /^\/\//,
/* Prefilters
* 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
* 2) These are called:
* - BEFORE asking for a transport
* - AFTER param serialization (s.data is a string if s.processData is true)
* 3) key is the dataType
* 4) the catchall symbol "*" can be used
* 5) execution will start with transport dataType and THEN continue down to "*" if needed
*/
prefilters = {},
/* Transports bindings
* 1) key is the dataType
* 2) the catchall symbol "*" can be used
* 3) selection will start with transport dataType and THEN go to "*" if needed
*/
transports = {},
// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
allTypes = "*/".concat("*"),
// Anchor tag for parsing the document origin
originAnchor = document.createElement("a");
originAnchor.href = location.href;
// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
function addToPrefiltersOrTransports(structure) {
// dataTypeExpression is optional and defaults to "*"
return function(dataTypeExpression, func) {
if (typeof dataTypeExpression !== "string") {
func = dataTypeExpression;
dataTypeExpression = "*";
}
var dataType,
i = 0,
dataTypes = dataTypeExpression.toLowerCase().match(rnothtmlwhite) || [];
if (isFunction(func)) {
// For each dataType in the dataTypeExpression
while ((dataType = dataTypes[i++])) {
// Prepend if requested
if (dataType[0] === "+") {
dataType = dataType.slice(1) || "*";
(structure[dataType] = structure[dataType] || []).unshift(func);
// Otherwise append
} else {
(structure[dataType] = structure[dataType] || []).push(func);
}
}
}
};
}
// Base inspection function for prefilters and transports
function inspectPrefiltersOrTransports(structure, options, originalOptions, jqXHR) {
var inspected = {},
seekingTransport = (structure === transports);
function inspect(dataType) {
var selected;
inspected[dataType] = true;
jQuery.each(structure[dataType] || [], function(_, prefilterOrFactory) {
var dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR);
if (typeof dataTypeOrTransport === "string" &&
!seekingTransport && !inspected[dataTypeOrTransport]) {
options.dataTypes.unshift(dataTypeOrTransport);
inspect(dataTypeOrTransport);
return false;
} else if (seekingTransport) {
return !(selected = dataTypeOrTransport);
}
});
return selected;
}
return inspect(options.dataTypes[0]) || !inspected["*"] && inspect("*");
}
// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
function ajaxExtend(target, src) {
var key, deep,
flatOptions = jQuery.ajaxSettings.flatOptions || {};
for (key in src) {
if (src[key] !== undefined) {
(flatOptions[key] ? target : (deep || (deep = {})))[key] = src[key];
}
}
if (deep) {
jQuery.extend(true, target, deep);
}
return target;
}
/* Handles responses to an ajax request:
* - finds the right dataType (mediates between content-type and expected dataType)
* - returns the corresponding response
*/
function ajaxHandleResponses(s, jqXHR, responses) {
var ct, type, finalDataType, firstDataType,
contents = s.contents,
dataTypes = s.dataTypes;
// Remove auto dataType and get content-type in the process
while (dataTypes[0] === "*") {
dataTypes.shift();
if (ct === undefined) {
ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
}
}
// Check if we're dealing with a known content-type
if (ct) {
for (type in contents) {
if (contents[type] && contents[type].test(ct)) {
dataTypes.unshift(type);
break;
}
}
}
// Check to see if we have a response for the expected dataType
if (dataTypes[0] in responses) {
finalDataType = dataTypes[0];
} else {
// Try convertible dataTypes
for (type in responses) {
if (!dataTypes[0] || s.converters[type + " " + dataTypes[0]]) {
finalDataType = type;
break;
}
if (!firstDataType) {
firstDataType = type;
}
}
// Or just use first one
finalDataType = finalDataType || firstDataType;
}
// If we found a dataType
// We add the dataType to the list if needed
// and return the corresponding response
if (finalDataType) {
if (finalDataType !== dataTypes[0]) {
dataTypes.unshift(finalDataType);
}
return responses[finalDataType];
}
}
/* Chain conversions given the request and the original response
* Also sets the responseXXX fields on the jqXHR instance
*/
function ajaxConvert(s, response, jqXHR, isSuccess) {
var conv2, current, conv, tmp, prev,
converters = {},
// Work with a copy of dataTypes in case we need to modify it for conversion
dataTypes = s.dataTypes.slice();
// Create converters map with lowercased keys
if (dataTypes[1]) {
for (conv in s.converters) {
converters[conv.toLowerCase()] = s.converters[conv];
}
}
current = dataTypes.shift();
// Convert to each sequential dataType
while (current) {
if (s.responseFields[current]) {
jqXHR[s.responseFields[current]] = response;
}
// Apply the dataFilter if provided
if (!prev && isSuccess && s.dataFilter) {
response = s.dataFilter(response, s.dataType);
}
prev = current;
current = dataTypes.shift();
if (current) {
// There's only work to do if current dataType is non-auto
if (current === "*") {
current = prev;
// Convert response if prev dataType is non-auto and differs from current
} else if (prev !== "*" && prev !== current) {
// Seek a direct converter
conv = converters[prev + " " + current] || converters["* " + current];
// If none found, seek a pair
if (!conv) {
for (conv2 in converters) {
// If conv2 outputs current
tmp = conv2.split(" ");
if (tmp[1] === current) {
// If prev can be converted to accepted input
conv = converters[prev + " " + tmp[0]] ||
converters["* " + tmp[0]];
if (conv) {
// Condense equivalence converters
if (conv === true) {
conv = converters[conv2];
// Otherwise, insert the intermediate dataType
} else if (converters[conv2] !== true) {
current = tmp[0];
dataTypes.unshift(tmp[1]);
}
break;
}
}
}
}
// Apply converter (if not an equivalence)
if (conv !== true) {
// Unless errors are allowed to bubble, catch and return them
if (conv && s.throws) {
response = conv(response);
} else {
try {
response = conv(response);
} catch (e) {
return {
state: "parsererror",
error: conv ? e : "No conversion from " + prev + " to " + current
};
}
}
}
}
}
}
return { state: "success", data: response };
}
jQuery.extend({
// Counter for holding the number of active queries
active: 0,
// Last-Modified header cache for next request
lastModified: {},
etag: {},
ajaxSettings: {
url: location.href,
type: "GET",
isLocal: rlocalProtocol.test(location.protocol),
global: true,
processData: true,
async: true,
contentType: "application/x-www-form-urlencoded; charset=UTF-8",
/*
timeout: 0,
data: null,
dataType: null,
username: null,
password: null,
cache: null,
throws: false,
traditional: false,
headers: {},
*/
accepts: {
"*": allTypes,
text: "text/plain",
html: "text/html",
xml: "application/xml, text/xml",
json: "application/json, text/javascript"
},
contents: {
xml: /\bxml\b/,
html: /\bhtml/,
json: /\bjson\b/
},
responseFields: {
xml: "responseXML",
text: "responseText",
json: "responseJSON"
},
// Data converters
// Keys separate source (or catchall "*") and destination types with a single space
converters: {
// Convert anything to text
"* text": String,
// Text to html (true = no transformation)
"text html": true,
// Evaluate text as a json expression
"text json": JSON.parse,
// Parse text as xml
"text xml": jQuery.parseXML
},
// For options that shouldn't be deep extended:
// you can add your own custom options here if
// and when you create one that shouldn't be
// deep extended (see ajaxExtend)
flatOptions: {
url: true,
context: true
}
},
// Creates a full fledged settings object into target
// with both ajaxSettings and settings fields.
// If target is omitted, writes into ajaxSettings.
ajaxSetup: function(target, settings) {
return settings ?
// Building a settings object
ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) :
// Extending ajaxSettings
ajaxExtend(jQuery.ajaxSettings, target);
},
ajaxPrefilter: addToPrefiltersOrTransports(prefilters),
ajaxTransport: addToPrefiltersOrTransports(transports),
// Main method
ajax: function(url, options) {
// If url is an object, simulate pre-1.5 signature
if (typeof url === "object") {
options = url;
url = undefined;
}
// Force options to be an object
options = options || {};
var transport,
// URL without anti-cache param
cacheURL,
// Response headers
responseHeadersString,
responseHeaders,
// timeout handle
timeoutTimer,
// Url cleanup var
urlAnchor,
// Request state (becomes false upon send and true upon completion)
completed,
// To know if global events are to be dispatched
fireGlobals,
// Loop variable
i,
// uncached part of the url
uncached,
// Create the final options object
s = jQuery.ajaxSetup({}, options),
// Callbacks context
callbackContext = s.context || s,
// Context for global events is callbackContext if it is a DOM node or jQuery collection
globalEventContext = s.context &&
(callbackContext.nodeType || callbackContext.jquery) ?
jQuery(callbackContext) :
jQuery.event,
// Deferreds
deferred = jQuery.Deferred(),
completeDeferred = jQuery.Callbacks("once memory"),
// Status-dependent callbacks
statusCode = s.statusCode || {},
// Headers (they are sent all at once)
requestHeaders = {},
requestHeadersNames = {},
// Default abort message
strAbort = "canceled",
// Fake xhr
jqXHR = {
readyState: 0,
// Builds headers hashtable if needed
getResponseHeader: function(key) {
var match;
if (completed) {
if (!responseHeaders) {
responseHeaders = {};
while ((match = rheaders.exec(responseHeadersString))) {
responseHeaders[match[1].toLowerCase() + " "] =
(responseHeaders[match[1].toLowerCase() + " "] || [])
.concat(match[2]);
}
}
match = responseHeaders[key.toLowerCase() + " "];
}
return match == null ? null : match.join(", ");
},
// Raw string
getAllResponseHeaders: function() {
return completed ? responseHeadersString : null;
},
// Caches the header
setRequestHeader: function(name, value) {
if (completed == null) {
name = requestHeadersNames[name.toLowerCase()] =
requestHeadersNames[name.toLowerCase()] || name;
requestHeaders[name] = value;
}
return this;
},
// Overrides response content-type header
overrideMimeType: function(type) {
if (completed == null) {
s.mimeType = type;
}
return this;
},
// Status-dependent callbacks
statusCode: function(map) {
var code;
if (map) {
if (completed) {
// Execute the appropriate callbacks
jqXHR.always(map[jqXHR.status]);
} else {
// Lazy-add the new callbacks in a way that preserves old ones
for (code in map) {
statusCode[code] = [statusCode[code], map[code]];
}
}
}
return this;
},
// Cancel the request
abort: function(statusText) {
var finalText = statusText || strAbort;
if (transport) {
transport.abort(finalText);
}
done(0, finalText);
return this;
}
};
// Attach deferreds
deferred.promise(jqXHR);
// Add protocol if not provided (prefilters might expect it)
// Handle falsy url in the settings object (#10093: consistency with old signature)
// We also use the url parameter if available
s.url = ((url || s.url || location.href) + "")
.replace(rprotocol, location.protocol + "//");
// Alias method option to type as per ticket #12004
s.type = options.method || options.type || s.method || s.type;
// Extract dataTypes list
s.dataTypes = (s.dataType || "*").toLowerCase().match(rnothtmlwhite) || [""];
// A cross-domain request is in order when the origin doesn't match the current origin.
if (s.crossDomain == null) {
urlAnchor = document.createElement("a");
// Support: IE <=8 - 11, Edge 12 - 15
// IE throws exception on accessing the href property if url is malformed,
// e.g. http://example.com:80x/
try {
urlAnchor.href = s.url;
// Support: IE <=8 - 11 only
// Anchor's host property isn't correctly set when s.url is relative
urlAnchor.href = urlAnchor.href;
s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
urlAnchor.protocol + "//" + urlAnchor.host;
} catch (e) {
// If there is an error parsing the URL, assume it is crossDomain,
// it can be rejected by the transport if it is invalid
s.crossDomain = true;
}
}
// Convert data if not already a string
if (s.data && s.processData && typeof s.data !== "string") {
s.data = jQuery.param(s.data, s.traditional);
}
// Apply prefilters
inspectPrefiltersOrTransports(prefilters, s, options, jqXHR);
// If request was aborted inside a prefilter, stop there
if (completed) {
return jqXHR;
}
// We can fire global events as of now if asked to
// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
fireGlobals = jQuery.event && s.global;
// Watch for a new set of requests
if (fireGlobals && jQuery.active++ === 0) {
jQuery.event.trigger("ajaxStart");
}
// Uppercase the type
s.type = s.type.toUpperCase();
// Determine if request has content
s.hasContent = !rnoContent.test(s.type);
// Save the URL in case we're toying with the If-Modified-Since
// and/or If-None-Match header later on
// Remove hash to simplify url manipulation
cacheURL = s.url.replace(rhash, "");
// More options handling for requests with no content
if (!s.hasContent) {
// Remember the hash so we can put it back
uncached = s.url.slice(cacheURL.length);
// If data is available and should be processed, append data to url
if (s.data && (s.processData || typeof s.data === "string")) {
cacheURL += (rquery.test(cacheURL) ? "&" : "?") + s.data;
// #9682: remove data so that it's not used in an eventual retry
delete s.data;
}
// Add or update anti-cache param if needed
if (s.cache === false) {
cacheURL = cacheURL.replace(rantiCache, "$1");
uncached = (rquery.test(cacheURL) ? "&" : "?") + "_=" + (nonce++) + uncached;
}
// Put hash and anti-cache on the URL that will be requested (gh-1732)
s.url = cacheURL + uncached;
// Change '%20' to '+' if this is encoded form body content (gh-2658)
} else if (s.data && s.processData &&
(s.contentType || "").indexOf("application/x-www-form-urlencoded") === 0) {
s.data = s.data.replace(r20, "+");
}
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
if (s.ifModified) {
if (jQuery.lastModified[cacheURL]) {
jqXHR.setRequestHeader("If-Modified-Since", jQuery.lastModified[cacheURL]);
}
if (jQuery.etag[cacheURL]) {
jqXHR.setRequestHeader("If-None-Match", jQuery.etag[cacheURL]);
}
}
// Set the correct header, if data is being sent
if (s.data && s.hasContent && s.contentType !== false || options.contentType) {
jqXHR.setRequestHeader("Content-Type", s.contentType);
}
// Set the Accepts header for the server, depending on the dataType
jqXHR.setRequestHeader(
"Accept",
s.dataTypes[0] && s.accepts[s.dataTypes[0]] ?
s.accepts[s.dataTypes[0]] +
(s.dataTypes[0] !== "*" ? ", " + allTypes + "; q=0.01" : "") :
s.accepts["*"]
);
// Check for headers option
for (i in s.headers) {
jqXHR.setRequestHeader(i, s.headers[i]);
}
// Allow custom headers/mimetypes and early abort
if (s.beforeSend &&
(s.beforeSend.call(callbackContext, jqXHR, s) === false || completed)) {
// Abort if not done already and return
return jqXHR.abort();
}
// Aborting is no longer a cancellation
strAbort = "abort";
// Install callbacks on deferreds
completeDeferred.add(s.complete);
jqXHR.done(s.success);
jqXHR.fail(s.error);
// Get transport
transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR);
// If no transport, we auto-abort
if (!transport) {
done(-1, "No Transport");
} else {
jqXHR.readyState = 1;
// Send global event
if (fireGlobals) {
globalEventContext.trigger("ajaxSend", [jqXHR, s]);
}
// If request was aborted inside ajaxSend, stop there
if (completed) {
return jqXHR;
}
// Timeout
if (s.async && s.timeout > 0) {
timeoutTimer = window.setTimeout(function() {
jqXHR.abort("timeout");
}, s.timeout);
}
try {
completed = false;
transport.send(requestHeaders, done);
} catch (e) {
// Rethrow post-completion exceptions
if (completed) {
throw e;
}
// Propagate others as results
done(-1, e);
}
}
// Callback for when everything is done
function done(status, nativeStatusText, responses, headers) {
var isSuccess, success, error, response, modified,
statusText = nativeStatusText;
// Ignore repeat invocations
if (completed) {
return;
}
completed = true;
// Clear timeout if it exists
if (timeoutTimer) {
window.clearTimeout(timeoutTimer);
}
// Dereference transport for early garbage collection
// (no matter how long the jqXHR object will be used)
transport = undefined;
// Cache response headers
responseHeadersString = headers || "";
// Set readyState
jqXHR.readyState = status > 0 ? 4 : 0;
// Determine if successful
isSuccess = status >= 200 && status < 300 || status === 304;
// Get response data
if (responses) {
response = ajaxHandleResponses(s, jqXHR, responses);
}
// Convert no matter what (that way responseXXX fields are always set)
response = ajaxConvert(s, response, jqXHR, isSuccess);
// If successful, handle type chaining
if (isSuccess) {
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
if (s.ifModified) {
modified = jqXHR.getResponseHeader("Last-Modified");
if (modified) {
jQuery.lastModified[cacheURL] = modified;
}
modified = jqXHR.getResponseHeader("etag");
if (modified) {
jQuery.etag[cacheURL] = modified;
}
}
// if no content
if (status === 204 || s.type === "HEAD") {
statusText = "nocontent";
// if not modified
} else if (status === 304) {
statusText = "notmodified";
// If we have data, let's convert it
} else {
statusText = response.state;
success = response.data;
error = response.error;
isSuccess = !error;
}
} else {
// Extract error from statusText and normalize for non-aborts
error = statusText;
if (status || !statusText) {
statusText = "error";
if (status < 0) {
status = 0;
}
}
}
// Set data for the fake xhr object
jqXHR.status = status;
jqXHR.statusText = (nativeStatusText || statusText) + "";
// Success/Error
if (isSuccess) {
deferred.resolveWith(callbackContext, [success, statusText, jqXHR]);
} else {
deferred.rejectWith(callbackContext, [jqXHR, statusText, error]);
}
// Status-dependent callbacks
jqXHR.statusCode(statusCode);
statusCode = undefined;
if (fireGlobals) {
globalEventContext.trigger(isSuccess ? "ajaxSuccess" : "ajaxError", [jqXHR, s, isSuccess ? success : error]);
}
// Complete
completeDeferred.fireWith(callbackContext, [jqXHR, statusText]);
if (fireGlobals) {
globalEventContext.trigger("ajaxComplete", [jqXHR, s]);
// Handle the global AJAX counter
if (!(--jQuery.active)) {
jQuery.event.trigger("ajaxStop");
}
}
}
return jqXHR;
},
getJSON: function(url, data, callback) {
return jQuery.get(url, data, callback, "json");
},
getScript: function(url, callback) {
return jQuery.get(url, undefined, callback, "script");
}
});
jQuery.each(["get", "post"], function(i, method) {
jQuery[method] = function(url, data, callback, type) {
// Shift arguments if data argument was omitted
if (isFunction(data)) {
type = type || callback;
callback = data;
data = undefined;
}
// The url can be an options object (which then must have .url)
return jQuery.ajax(jQuery.extend({
url: url,
type: method,
dataType: type,
data: data,
success: callback
}, jQuery.isPlainObject(url) && url));
};
});
jQuery._evalUrl = function(url, options) {
return jQuery.ajax({
url: url,
// Make this explicit, since user can override this through ajaxSetup (#11264)
type: "GET",
dataType: "script",
cache: true,
async: false,
global: false,
// Only evaluate the response if it is successful (gh-4126)
// dataFilter is not invoked for failure responses, so using it instead
// of the default converter is kludgy but it works.
converters: {
"text script": function() {}
},
dataFilter: function(response) {
jQuery.globalEval(response, options);
}
});
};
jQuery.fn.extend({
wrapAll: function(html) {
var wrap;
if (this[0]) {
if (isFunction(html)) {
html = html.call(this[0]);
}
// The elements to wrap the target around
wrap = jQuery(html, this[0].ownerDocument).eq(0).clone(true);
if (this[0].parentNode) {
wrap.insertBefore(this[0]);
}
wrap.map(function() {
var elem = this;
while (elem.firstElementChild) {
elem = elem.firstElementChild;
}
return elem;
}).append(this);
}
return this;
},
wrapInner: function(html) {
if (isFunction(html)) {
return this.each(function(i) {
jQuery(this).wrapInner(html.call(this, i));
});
}
return this.each(function() {
var self = jQuery(this),
contents = self.contents();
if (contents.length) {
contents.wrapAll(html);
} else {
self.append(html);
}
});
},
wrap: function(html) {
var htmlIsFunction = isFunction(html);
return this.each(function(i) {
jQuery(this).wrapAll(htmlIsFunction ? html.call(this, i) : html);
});
},
unwrap: function(selector) {
this.parent(selector).not("body").each(function() {
jQuery(this).replaceWith(this.childNodes);
});
return this;
}
});
jQuery.expr.pseudos.hidden = function(elem) {
return !jQuery.expr.pseudos.visible(elem);
};
jQuery.expr.pseudos.visible = function(elem) {
return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
};
jQuery.ajaxSettings.xhr = function() {
try {
return new window.XMLHttpRequest();
} catch (e) {}
};
var xhrSuccessStatus = {
// File protocol always yields status code 0, assume 200
0: 200,
// Support: IE <=9 only
// #1450: sometimes IE returns 1223 when it should be 204
1223: 204
},
xhrSupported = jQuery.ajaxSettings.xhr();
support.cors = !!xhrSupported && ("withCredentials" in xhrSupported);
support.ajax = xhrSupported = !!xhrSupported;
jQuery.ajaxTransport(function(options) {
var callback, errorCallback;
// Cross domain only allowed if supported through XMLHttpRequest
if (support.cors || xhrSupported && !options.crossDomain) {
return {
send: function(headers, complete) {
var i,
xhr = options.xhr();
xhr.open(
options.type,
options.url,
options.async,
options.username,
options.password
);
// Apply custom fields if provided
if (options.xhrFields) {
for (i in options.xhrFields) {
xhr[i] = options.xhrFields[i];
}
}
// Override mime type if needed
if (options.mimeType && xhr.overrideMimeType) {
xhr.overrideMimeType(options.mimeType);
}
// X-Requested-With header
// For cross-domain requests, seeing as conditions for a preflight are
// akin to a jigsaw puzzle, we simply never set it to be sure.
// (it can always be set on a per-request basis or even using ajaxSetup)
// For same-domain requests, won't change header if already provided.
if (!options.crossDomain && !headers["X-Requested-With"]) {
headers["X-Requested-With"] = "XMLHttpRequest";
}
// Set headers
for (i in headers) {
xhr.setRequestHeader(i, headers[i]);
}
// Callback
callback = function(type) {
return function() {
if (callback) {
callback = errorCallback = xhr.onload =
xhr.onerror = xhr.onabort = xhr.ontimeout =
xhr.onreadystatechange = null;
if (type === "abort") {
xhr.abort();
} else if (type === "error") {
// Support: IE <=9 only
// On a manual native abort, IE9 throws
// errors on any property access that is not readyState
if (typeof xhr.status !== "number") {
complete(0, "error");
} else {
complete(
// File: protocol always yields status 0; see #8605, #14207
xhr.status,
xhr.statusText
);
}
} else {
complete(
xhrSuccessStatus[xhr.status] || xhr.status,
xhr.statusText,
// Support: IE <=9 only
// IE9 has no XHR2 but throws on binary (trac-11426)
// For XHR2 non-text, let the caller handle it (gh-2498)
(xhr.responseType || "text") !== "text" ||
typeof xhr.responseText !== "string" ? { binary: xhr.response } : { text: xhr.responseText },
xhr.getAllResponseHeaders()
);
}
}
};
};
// Listen to events
xhr.onload = callback();
errorCallback = xhr.onerror = xhr.ontimeout = callback("error");
// Support: IE 9 only
// Use onreadystatechange to replace onabort
// to handle uncaught aborts
if (xhr.onabort !== undefined) {
xhr.onabort = errorCallback;
} else {
xhr.onreadystatechange = function() {
// Check readyState before timeout as it changes
if (xhr.readyState === 4) {
// Allow onerror to be called first,
// but that will not handle a native abort
// Also, save errorCallback to a variable
// as xhr.onerror cannot be accessed
window.setTimeout(function() {
if (callback) {
errorCallback();
}
});
}
};
}
// Create the abort callback
callback = callback("abort");
try {
// Do send the request (this may raise an exception)
xhr.send(options.hasContent && options.data || null);
} catch (e) {
// #14683: Only rethrow if this hasn't been notified as an error yet
if (callback) {
throw e;
}
}
},
abort: function() {
if (callback) {
callback();
}
}
};
}
});
// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
jQuery.ajaxPrefilter(function(s) {
if (s.crossDomain) {
s.contents.script = false;
}
});
// Install script dataType
jQuery.ajaxSetup({
accepts: {
script: "text/javascript, application/javascript, " +
"application/ecmascript, application/x-ecmascript"
},
contents: {
script: /\b(?:java|ecma)script\b/
},
converters: {
"text script": function(text) {
jQuery.globalEval(text);
return text;
}
}
});
// Handle cache's special case and crossDomain
jQuery.ajaxPrefilter("script", function(s) {
if (s.cache === undefined) {
s.cache = false;
}
if (s.crossDomain) {
s.type = "GET";
}
});
// Bind script tag hack transport
jQuery.ajaxTransport("script", function(s) {
// This transport only deals with cross domain or forced-by-attrs requests
if (s.crossDomain || s.scriptAttrs) {
var script, callback;
return {
send: function(_, complete) {
script = jQuery("<script>")
.attr(s.scriptAttrs || {})
.prop({ charset: s.scriptCharset, src: s.url })
.on("load error", callback = function(evt) {
script.remove();
callback = null;
if (evt) {
complete(evt.type === "error" ? 404 : 200, evt.type);
}
});
// Use native DOM manipulation to avoid our domManip AJAX trickery
document.head.appendChild(script[0]);
},
abort: function() {
if (callback) {
callback();
}
}
};
}
});
var oldCallbacks = [],
rjsonp = /(=)\?(?=&|$)|\?\?/;
// Default jsonp settings
jQuery.ajaxSetup({
jsonp: "callback",
jsonpCallback: function() {
var callback = oldCallbacks.pop() || (jQuery.expando + "_" + (nonce++));
this[callback] = true;
return callback;
}
});
// Detect, normalize options and install callbacks for jsonp requests
jQuery.ajaxPrefilter("json jsonp", function(s, originalSettings, jqXHR) {
var callbackName, overwritten, responseContainer,
jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ?
"url" :
typeof s.data === "string" &&
(s.contentType || "")
.indexOf("application/x-www-form-urlencoded") === 0 &&
rjsonp.test(s.data) && "data"
);
// Handle iff the expected data type is "jsonp" or we have a parameter to set
if (jsonProp || s.dataTypes[0] === "jsonp") {
// Get callback name, remembering preexisting value associated with it
callbackName = s.jsonpCallback = isFunction(s.jsonpCallback) ?
s.jsonpCallback() :
s.jsonpCallback;
// Insert callback into url or form data
if (jsonProp) {
s[jsonProp] = s[jsonProp].replace(rjsonp, "$1" + callbackName);
} else if (s.jsonp !== false) {
s.url += (rquery.test(s.url) ? "&" : "?") + s.jsonp + "=" + callbackName;
}
// Use data converter to retrieve json after script execution
s.converters["script json"] = function() {
if (!responseContainer) {
jQuery.error(callbackName + " was not called");
}
return responseContainer[0];
};
// Force json dataType
s.dataTypes[0] = "json";
// Install callback
overwritten = window[callbackName];
window[callbackName] = function() {
responseContainer = arguments;
};
// Clean-up function (fires after converters)
jqXHR.always(function() {
// If previous value didn't exist - remove it
if (overwritten === undefined) {
jQuery(window).removeProp(callbackName);
// Otherwise restore preexisting value
} else {
window[callbackName] = overwritten;
}
// Save back as free
if (s[callbackName]) {
// Make sure that re-using the options doesn't screw things around
s.jsonpCallback = originalSettings.jsonpCallback;
// Save the callback name for future use
oldCallbacks.push(callbackName);
}
// Call if it was a function and we have a response
if (responseContainer && isFunction(overwritten)) {
overwritten(responseContainer[0]);
}
responseContainer = overwritten = undefined;
});
// Delegate to script
return "script";
}
});
// Support: Safari 8 only
// In Safari 8 documents created via document.implementation.createHTMLDocument
// collapse sibling forms: the second one becomes a child of the first one.
// Because of that, this security measure has to be disabled in Safari 8.
// https://bugs.webkit.org/show_bug.cgi?id=137337
support.createHTMLDocument = (function() {
var body = document.implementation.createHTMLDocument("").body;
body.innerHTML = "<form></form><form></form>";
return body.childNodes.length === 2;
})();
// Argument "data" should be string of html
// context (optional): If specified, the fragment will be created in this context,
// defaults to document
// keepScripts (optional): If true, will include scripts passed in the html string
jQuery.parseHTML = function(data, context, keepScripts) {
if (typeof data !== "string") {
return [];
}
if (typeof context === "boolean") {
keepScripts = context;
context = false;
}
var base, parsed, scripts;
if (!context) {
// Stop scripts or inline event handlers from being executed immediately
// by using document.implementation
if (support.createHTMLDocument) {
context = document.implementation.createHTMLDocument("");
// Set the base href for the created document
// so any parsed elements with URLs
// are based on the document's URL (gh-2965)
base = context.createElement("base");
base.href = document.location.href;
context.head.appendChild(base);
} else {
context = document;
}
}
parsed = rsingleTag.exec(data);
scripts = !keepScripts && [];
// Single tag
if (parsed) {
return [context.createElement(parsed[1])];
}
parsed = buildFragment([data], context, scripts);
if (scripts && scripts.length) {
jQuery(scripts).remove();
}
return jQuery.merge([], parsed.childNodes);
};
/**
* Load a url into a page
*/
jQuery.fn.load = function(url, params, callback) {
var selector, type, response,
self = this,
off = url.indexOf(" ");
if (off > -1) {
selector = stripAndCollapse(url.slice(off));
url = url.slice(0, off);
}
// If it's a function
if (isFunction(params)) {
// We assume that it's the callback
callback = params;
params = undefined;
// Otherwise, build a param string
} else if (params && typeof params === "object") {
type = "POST";
}
// If we have elements to modify, make the request
if (self.length > 0) {
jQuery.ajax({
url: url,
// If "type" variable is undefined, then "GET" method will be used.
// Make value of this field explicit since
// user can override it through ajaxSetup method
type: type || "GET",
dataType: "html",
data: params
}).done(function(responseText) {
// Save response for use in complete callback
response = arguments;
self.html(selector ?
// If a selector was specified, locate the right elements in a dummy div
// Exclude scripts to avoid IE 'Permission Denied' errors
jQuery("<div>").append(jQuery.parseHTML(responseText)).find(selector) :
// Otherwise use the full result
responseText);
// If the request succeeds, this function gets "data", "status", "jqXHR"
// but they are ignored because response was set above.
// If it fails, this function gets "jqXHR", "status", "error"
}).always(callback && function(jqXHR, status) {
self.each(function() {
callback.apply(this, response || [jqXHR.responseText, status, jqXHR]);
});
});
}
return this;
};
// Attach a bunch of functions for handling common AJAX events
jQuery.each([
"ajaxStart",
"ajaxStop",
"ajaxComplete",
"ajaxError",
"ajaxSuccess",
"ajaxSend"
], function(i, type) {
jQuery.fn[type] = function(fn) {
return this.on(type, fn);
};
});
jQuery.expr.pseudos.animated = function(elem) {
return jQuery.grep(jQuery.timers, function(fn) {
return elem === fn.elem;
}).length;
};
jQuery.offset = {
setOffset: function(elem, options, i) {
var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
position = jQuery.css(elem, "position"),
curElem = jQuery(elem),
props = {};
// Set position first, in-case top/left are set even on static elem
if (position === "static") {
elem.style.position = "relative";
}
curOffset = curElem.offset();
curCSSTop = jQuery.css(elem, "top");
curCSSLeft = jQuery.css(elem, "left");
calculatePosition = (position === "absolute" || position === "fixed") &&
(curCSSTop + curCSSLeft).indexOf("auto") > -1;
// Need to be able to calculate position if either
// top or left is auto and position is either absolute or fixed
if (calculatePosition) {
curPosition = curElem.position();
curTop = curPosition.top;
curLeft = curPosition.left;
} else {
curTop = parseFloat(curCSSTop) || 0;
curLeft = parseFloat(curCSSLeft) || 0;
}
if (isFunction(options)) {
// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
options = options.call(elem, i, jQuery.extend({}, curOffset));
}
if (options.top != null) {
props.top = (options.top - curOffset.top) + curTop;
}
if (options.left != null) {
props.left = (options.left - curOffset.left) + curLeft;
}
if ("using" in options) {
options.using.call(elem, props);
} else {
curElem.css(props);
}
}
};
jQuery.fn.extend({
// offset() relates an element's border box to the document origin
offset: function(options) {
// Preserve chaining for setter
if (arguments.length) {
return options === undefined ?
this :
this.each(function(i) {
jQuery.offset.setOffset(this, options, i);
});
}
var rect, win,
elem = this[0];
if (!elem) {
return;
}
// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
// Support: IE <=11 only
// Running getBoundingClientRect on a
// disconnected node in IE throws an error
if (!elem.getClientRects().length) {
return { top: 0, left: 0 };
}
// Get document-relative position by adding viewport scroll to viewport-relative gBCR
rect = elem.getBoundingClientRect();
win = elem.ownerDocument.defaultView;
return {
top: rect.top + win.pageYOffset,
left: rect.left + win.pageXOffset
};
},
// position() relates an element's margin box to its offset parent's padding box
// This corresponds to the behavior of CSS absolute positioning
position: function() {
if (!this[0]) {
return;
}
var offsetParent, offset, doc,
elem = this[0],
parentOffset = { top: 0, left: 0 };
// position:fixed elements are offset from the viewport, which itself always has zero offset
if (jQuery.css(elem, "position") === "fixed") {
// Assume position:fixed implies availability of getBoundingClientRect
offset = elem.getBoundingClientRect();
} else {
offset = this.offset();
// Account for the *real* offset parent, which can be the document or its root element
// when a statically positioned element is identified
doc = elem.ownerDocument;
offsetParent = elem.offsetParent || doc.documentElement;
while (offsetParent &&
(offsetParent === doc.body || offsetParent === doc.documentElement) &&
jQuery.css(offsetParent, "position") === "static") {
offsetParent = offsetParent.parentNode;
}
if (offsetParent && offsetParent !== elem && offsetParent.nodeType === 1) {
// Incorporate borders into its offset, since they are outside its content origin
parentOffset = jQuery(offsetParent).offset();
parentOffset.top += jQuery.css(offsetParent, "borderTopWidth", true);
parentOffset.left += jQuery.css(offsetParent, "borderLeftWidth", true);
}
}
// Subtract parent offsets and element margins
return {
top: offset.top - parentOffset.top - jQuery.css(elem, "marginTop", true),
left: offset.left - parentOffset.left - jQuery.css(elem, "marginLeft", true)
};
},
// This method will return documentElement in the following cases:
// 1) For the element inside the iframe without offsetParent, this method will return
// documentElement of the parent window
// 2) For the hidden or detached element
// 3) For body or html element, i.e. in case of the html node - it will return itself
//
// but those exceptions were never presented as a real life use-cases
// and might be considered as more preferable results.
//
// This logic, however, is not guaranteed and can change at any point in the future
offsetParent: function() {
return this.map(function() {
var offsetParent = this.offsetParent;
while (offsetParent && jQuery.css(offsetParent, "position") === "static") {
offsetParent = offsetParent.offsetParent;
}
return offsetParent || documentElement;
});
}
});
// Create scrollLeft and scrollTop methods
jQuery.each({ scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function(method, prop) {
var top = "pageYOffset" === prop;
jQuery.fn[method] = function(val) {
return access(this, function(elem, method, val) {
// Coalesce documents and windows
var win;
if (isWindow(elem)) {
win = elem;
} else if (elem.nodeType === 9) {
win = elem.defaultView;
}
if (val === undefined) {
return win ? win[prop] : elem[method];
}
if (win) {
win.scrollTo(!top ? val : win.pageXOffset,
top ? val : win.pageYOffset
);
} else {
elem[method] = val;
}
}, method, val, arguments.length);
};
});
// Support: Safari <=7 - 9.1, Chrome <=37 - 49
// Add the top/left cssHooks using jQuery.fn.position
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
// getComputedStyle returns percent when specified for top/left/bottom/right;
// rather than make the css module depend on the offset module, just check for it here
jQuery.each(["top", "left"], function(i, prop) {
jQuery.cssHooks[prop] = addGetHookIf(support.pixelPosition,
function(elem, computed) {
if (computed) {
computed = curCSS(elem, prop);
// If curCSS returns percentage, fallback to offset
return rnumnonpx.test(computed) ?
jQuery(elem).position()[prop] + "px" :
computed;
}
}
);
});
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
jQuery.each({ Height: "height", Width: "width" }, function(name, type) {
jQuery.each({ padding: "inner" + name, content: type, "": "outer" + name },
function(defaultExtra, funcName) {
// Margin is only for outerHeight, outerWidth
jQuery.fn[funcName] = function(margin, value) {
var chainable = arguments.length && (defaultExtra || typeof margin !== "boolean"),
extra = defaultExtra || (margin === true || value === true ? "margin" : "border");
return access(this, function(elem, type, value) {
var doc;
if (isWindow(elem)) {
// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
return funcName.indexOf("outer") === 0 ?
elem["inner" + name] :
elem.document.documentElement["client" + name];
}
// Get document width or height
if (elem.nodeType === 9) {
doc = elem.documentElement;
// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
// whichever is greatest
return Math.max(
elem.body["scroll" + name], doc["scroll" + name],
elem.body["offset" + name], doc["offset" + name],
doc["client" + name]
);
}
return value === undefined ?
// Get width or height on the element, requesting but not forcing parseFloat
jQuery.css(elem, type, extra) :
// Set width or height on the element
jQuery.style(elem, type, value, extra);
}, type, chainable ? margin : undefined, chainable);
};
});
});
jQuery.each(("blur focus focusin focusout resize scroll click dblclick " +
"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
"change select submit keydown keypress keyup contextmenu").split(" "),
function(i, name) {
// Handle event binding
jQuery.fn[name] = function(data, fn) {
return arguments.length > 0 ?
this.on(name, null, data, fn) :
this.trigger(name);
};
});
jQuery.fn.extend({
hover: function(fnOver, fnOut) {
return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);
}
});
jQuery.fn.extend({
bind: function(types, data, fn) {
return this.on(types, null, data, fn);
},
unbind: function(types, fn) {
return this.off(types, null, fn);
},
delegate: function(selector, types, data, fn) {
return this.on(types, selector, data, fn);
},
undelegate: function(selector, types, fn) {
// ( namespace ) or ( selector, types [, fn] )
return arguments.length === 1 ?
this.off(selector, "**") :
this.off(types, selector || "**", fn);
}
});
// Bind a function to a context, optionally partially applying any
// arguments.
// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
// However, it is not slated for removal any time soon
jQuery.proxy = function(fn, context) {
var tmp, args, proxy;
if (typeof context === "string") {
tmp = fn[context];
context = fn;
fn = tmp;
}
// Quick check to determine if target is callable, in the spec
// this throws a TypeError, but we will just return undefined.
if (!isFunction(fn)) {
return undefined;
}
// Simulated bind
args = slice.call(arguments, 2);
proxy = function() {
return fn.apply(context || this, args.concat(slice.call(arguments)));
};
// Set the guid of unique handler to the same of original handler, so it can be removed
proxy.guid = fn.guid = fn.guid || jQuery.guid++;
return proxy;
};
jQuery.holdReady = function(hold) {
if (hold) {
jQuery.readyWait++;
} else {
jQuery.ready(true);
}
};
jQuery.isArray = Array.isArray;
jQuery.parseJSON = JSON.parse;
jQuery.nodeName = nodeName;
jQuery.isFunction = isFunction;
jQuery.isWindow = isWindow;
jQuery.camelCase = camelCase;
jQuery.type = toType;
jQuery.now = Date.now;
jQuery.isNumeric = function(obj) {
// As of jQuery 3.0, isNumeric is limited to
// strings and numbers (primitives or objects)
// that can be coerced to finite numbers (gh-2662)
var type = jQuery.type(obj);
return (type === "number" || type === "string") &&
// parseFloat NaNs numeric-cast false positives ("")
// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
// subtraction forces infinities to NaN
!isNaN(obj - parseFloat(obj));
};
// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.
// Note that for maximum portability, libraries that are not jQuery should
// declare themselves as anonymous modules, and avoid setting a global if an
// AMD loader is present. jQuery is a special case. For more information, see
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
if (typeof define === "function" && define.amd) {
define("jquery", [], function() {
return jQuery;
});
}
var
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$;
jQuery.noConflict = function(deep) {
if (window.$ === jQuery) {
window.$ = _$;
}
if (deep && window.jQuery === jQuery) {
window.jQuery = _jQuery;
}
return jQuery;
};
// Expose jQuery and $ identifiers, even in AMD
// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
// and CommonJS for browser emulators (#13566)
if (!noGlobal) {
window.jQuery = window.$ = jQuery;
}
return jQuery;
});
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