/*! jQuery UI - v1.12.1 - 2017-03-31
* http://jqueryui.com
* Copyright jQuery Foundation and other contributors; Licensed  */
!function(a){"function"==typeof define&&define.amd?define(["jquery","./version","./focusable"],a):a(jQuery)}(function(a){return a.extend(a.expr[":"],{tabbable:function(b){var c=a.attr(b,"tabindex"),d=null!=c;return(!d||c>=0)&&a.ui.focusable(b,d)}})});