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/*!
 * jQuery UI Tabbable 1.13.2
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: :tabbable Selector
//>>group: Core
//>>description: Selects elements which can be tabbed to.
//>>docs: http://api.jqueryui.com/tabbable-selector/

( function( factory ) {
    "use strict";

    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define( [ "jquery", "./version", "./focusable" ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
} )( function( $ ) {
    "use strict";

    return $.extend( $.expr.pseudos, {
        tabbable: function( element ) {
            var tabIndex = $.attr( element, "tabindex" ),
                hasTabindex = tabIndex != null;
            return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
        }
    } );

} );