Resolve "article.studip und fieldsets kennzeichnen nicht ihren auf-/zugeklappten Zustand für Screenreader mit aria-expanded"

Closes #4040

Merge request studip/studip!2914

1 files changed, 1 insertions, 0 deletions

diff --git a/resources/assets/javascripts/bootstrap/application.js b/resources/assets/javascripts/bootstrap/application.js
index a9f53df..4ad248f 100644
--- a/resources/assets/javascripts/bootstrap/application.js
+++ b/resources/assets/javascripts/bootstrap/application.js
@@ -353,6 +353,7 @@ jQuery(document).on('click', 'a[data-behaviour~="ajax-toggle"]', function (event
 (function ($) {
     $(document).on('click', 'form[name=course-details] fieldset legend', function () {
         $('#open_variable').attr('value', $(this).parent('fieldset').data('open'));
+        $(this).parent('fieldset').attr('aria-expanded',  $(this).parent('fieldset').attr('aria-expanded') == 'true' ? 'false' : 'true');
     });
 }(jQuery));