https://crrf.ca/wp-content/plugins/elite-accordion/js/main.js?ver=1

1// Hiding the panel content. If JS is inactive, content will be displayed
2    jQuery('.panel-content').hide();
3
4    // Preparing the DOM
5
6    // -- Update the markup of accordion container 
7    jQuery('.accordion').attr({
8        role: 'tablist',
9        multiselectable: 'true'
10    });
11
12    // -- Adding ID, aria-labelled-by, role and aria-labelledby attributes to panel content
13    jQuery('.panel-content').attr('id', function(IDcount) {
14        return 'panel-' + IDcount;
15    });
16    jQuery('.panel-content').attr('aria-labelledby', function(IDcount) {
17        return 'control-panel-' + IDcount;
18    });
19    jQuery('.panel-content').attr('aria-hidden', 'true');
20    // ---- Only for accordion, add role tabpanel
21    jQuery('.accordion .panel-content').attr('role', 'tabpanel');
22
23    // -- Wrapping panel title content with a <a href="">
24    jQuery('.panel-title').each(function(i) {
25
26        // ---- Need to identify the target, easy it's the immediate brother
27        jQuerytarget = jQuery(this).next('.panel-content')[0].id;
28
29        // ---- Creating the link with aria and link it to the panel content
30        jQuerylink = jQuery('<a>', {
31            'href': '#' + jQuerytarget,
32            'aria-expanded': 'false',
33            'aria-controls': jQuerytarget,
34            'id': 'control-' + jQuerytarget
35        });
36
37        // ---- Output the link
38        jQuery(this).wrapInner(jQuerylink);
39
40    });
41
42    // Optional : include an icon. Better in JS because without JS it have non-sense.
43    jQuery('.panel-title a').append('<span class="icon">+</span>');
44
45    // Now we can play with it
46    jQuery('.panel-title a').click(function() {
47
48        if (jQuery(this).attr('aria-expanded') == 'false') { //If aria expanded is false then it's not opened and we want it opened !
49
50            // -- Only for accordion effect (2 options) : comment or uncomment the one you want
51
52            // ---- Option 1 : close only opened panel in the same accordion
53            //      search through the current Accordion container for opened panel and close it, remove class and change aria expanded value
54            jQuery(this).parents('.accordion').find('[aria-expanded=true]').attr('aria-expanded', false).removeClass('active').parent().next('.panel-content').slideUp(200).attr('aria-hidden', 'true');
55
56            // Option 2 : close all opened panels in all accordion container
57            //$('.accordion .panel-title > a').attr('aria-expanded', false).removeClass('active').parent().next('.panel-content').slideUp(200);
58
59            // Finally we open the panel, set class active for styling purpos on a and aria-expanded to "true"
60            jQuery(this).attr('aria-expanded', true).addClass('active').parent().next('.panel-content').slideDown(200).attr('aria-hidden', 'false');
61
62        } else { // The current panel is opened and we want to close it
63
64            jQuery(this).attr('aria-expanded', false).removeClass('active').parent().next('.panel-content').slideUp(200).attr('aria-hidden', 'true');;
65
66        }
67        // No Boing Boing
68        return false;
69    });