https://pro-jazz.com/templates/default/js/jquery.spoiler.js?1789208782

1$(document).ready(function(){
2    
3    $('.spoiler').each(function () {
4
5        var $this = $(this);
6
7        if( $this.parents( '.cke_wysiwyg_div' ).length ){
8            return;
9        }
10
11        /* Hide the contents */
12        $this.contents().hide();
13
14        /* Do we have an existing citation block? (quotes from older versions won't, newer will) */
15        var existingHeader = $this.children('.spoiler_title');
16
17        var spTitle = existingHeader[0].innerText;
18
19        /* Build the header block */
20        var header = '<div class=\'spoiler_title spoiler_closed\'>' +
21            '<a href=\'#\' data-action=\'toggleSpoiler\'>&nbsp;</a>' +
22            '<span>Показать</span>:&nbsp;<span>'+ spTitle +'</span></div>';
23        /* Add or replace it */
24        if ( existingHeader.length ) {
25            existingHeader.replaceWith( header );
26        } else {
27            $this.prepend( header );
28        }
29		
30		$this.find('> .spoiler_body').append('<div class="spoiler_fold">[свернуть]</div>');
31
32        /* Set the event handler for opening/closing */
33        $this.find('> .spoiler_title').on( 'click', _toggleSpoiler );
34    });
35
36
37  function _toggleSpoiler(e) {
38      var header = $( e.currentTarget );
39      var target = $( e.target );
40      var spoiler = $( e.target ).closest('[data-spoiler]');
41
42      if( target.is('a:not( [data-action="toggleSpoiler"] )') || ( target.closest('a').length && !target.closest('a').is('[data-action="toggleSpoiler"]') ) ){
43          return;
44      }
45
46      e.preventDefault();
47
48      if( header.hasClass('spoiler_closed') ){
49          header.siblings().fadeIn(300);
50          header.removeClass('spoiler_closed').addClass('spoiler_open').find('span').first().text( 'Скрыть' );
51          $( document ).trigger('contentChange', [ spoiler ] );
52
53          // In firefox, the frame will render because we show it for a split second, but the truncating used inside the frame
54          // won't work because it isn't visible. So, to get around that, we'll have to refresh the iframe here.
55          var iframes = spoiler.find('iframe[data-embedcontent]');
56
57          if( iframes.length ){
58              $.each( iframes, function () {
59                  this.src = this.src;
60              });
61          }
62      } else {
63		   
64          header.siblings().hide();
65          header.removeClass('spoiler_open').addClass('spoiler_closed').find('span').first().text( 'Показать' );
66      }
67		  
68		  header.siblings().find('.spoiler_fold').on('click', function() {
69			  header.siblings().hide();
70			  header.removeClass('spoiler_open').addClass('spoiler_closed').find('span').first().text( 'Показать' );
71		  });
72
73      e.stopPropagation();
74  }
75});