/**
* This function will restore the order in which data was read into a DataTable
* (for example from an HTML source). Although you can set aaSorting to be an
* empty array (`[ ]`) in order to prevent sorting during initialisation, it can
* sometimes be useful to restore the original order after sorting has already
* occurred - which is exactly what this function does.
*
* @name fnSortNeutral
* @summary Change ordering of the table to its data load order
* @author [Allan Jardine](http://sprymedia.co.uk)
*
* @example
* $(document).ready(function() {
* var table = $('#example').dataTable();
*
* // Sort in the order that was originally in the HTML
* table.fnSortNeutral();
* } );
*/
jQuery.fn.dataTableExt.oApi.fnSortNeutral = function ( oSettings )
{
/* Remove any current sorting */
oSettings.aaSorting = [];
/* Sort display arrays so we get them in numerical order */
oSettings.aiDisplay.sort( function (x,y) {
return x-y;
} );
oSettings.aiDisplayMaster.sort( function (x,y) {
return x-y;
} );
/* Redraw */
oSettings.oApi._fnReDraw( oSettings );
};
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