https://bbja.de/wp-content/plugins/bbja/Assets/js/main.js?ver=0.0.1

1// IIFE - Immediately Invoked Function Expression
2  (function( bbjaJS ) {
3
4    // The global jQuery object is passed as a parameter
5  	bbjaJS( window.jQuery, window, document );
6
7  }(function($, window, document) {
8
9
10   $(function() {
11
12         //accordion f. backend Elemente 
13         $('.bbja_acc_head').each(function(){
14          var $content = "[data-acc='" + $(this).parent().attr('id') + "']";
15          $(this).click(function(e){
16            e.preventDefault();
17            $('.bbja_acc_content').slideUp();
18            $($content).not(':animated').slideToggle();
19          });
20        }); 
21
22
23
24   }); //finger weg
25
26
27   // The rest of code goes here!
28
29  }));