https://www.enervit.com/static/version1790838628/frontend/Enervit/…/it_IT/jquery/ui-modules/focusable.min.js

1/*!
2 * jQuery UI Focusable 1.13.2
3 * http://jqueryui.com
4 *
5 * Copyright jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
8 */
9(function(factory){"use strict";if(typeof define==="function"&&define.amd){define(["jquery","./version"],factory);}else{factory(jQuery);}})(function($){"use strict";$.ui.focusable=function(element,hasTabindex){var map,mapName,img,focusableIfVisible,fieldset,nodeName=element.nodeName.toLowerCase();if("area"===nodeName){map=element.parentNode;mapName=map.name;if(!element.href||!mapName||map.nodeName.toLowerCase()!=="map"){return false;}
10img=$("img[usemap='#"+mapName+"']");return img.length>0&&img.is(":visible");}
11if(/^(input|select|textarea|button|object)$/.test(nodeName)){focusableIfVisible=!element.disabled;if(focusableIfVisible){fieldset=$(element).closest("fieldset")[0];if(fieldset){focusableIfVisible=!fieldset.disabled;}}}else if("a"===nodeName){focusableIfVisible=element.href||hasTabindex;}else{focusableIfVisible=hasTabindex;}
12return focusableIfVisible&&$(element).is(":visible")&&visible($(element));};function visible(element){var visibility=element.css("visibility");while(visibility==="inherit"){element=element.parent();visibility=element.css("visibility");}
13return visibility==="visible";}
14$.extend($.expr.pseudos,{focusable:function(element){return $.ui.focusable(element,$.attr(element,"tabindex")!=null);}});return $.ui.focusable;});