/*! * jQuery UI Core @VERSION * http://jqueryui.com * * Copyright jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license * */ //>>label: Core //>>group: UI Core //>>description: The core of jQuery UI, required for all interactions and widgets. //>>docs: http://api.jqueryui.com/category/ui-core/ //>>demos: http://jqueryui.com/ ( function( factory ) { if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./data", "./disable-selection", "./focusable", "./form", "./ie", "./keycode", "./labels", "./jquery-1-7", "./version" ], factory ); } else { // Browser globals factory( jQuery ); } }( function( $ ) { $.extend( $.ui, { // Internal use only safeActiveElement: function( document ) { var activeElement; // Support: IE 9 only // IE9 throws an "Unspecified error" accessing document.activeElement from an