Contao Accordion - Closed by default (jQuery)

j_accordion--close-all.html5

<script src="<?= TL_ASSETS_URL ?>assets/jquery/ui/<?= $GLOBALS['TL_ASSETS']['JQUERY_UI'] ?>/jquery-ui.min.js"></script>
<script>
  (function($) {
    $(document).ready(function() {
      $(document).accordion({
        // Put custom options here
        heightStyle: 'content',
        header: 'div.toggler',
        collapsible: true,
        active: false,
        create: function(event, ui) {
          ui.header.addClass('active');
          $('div.toggler').attr('tabindex', 0);
        },
        activate: function(event, ui) {
          ui.newHeader.addClass('active');
          ui.oldHeader.removeClass('active');
          $('div.toggler').attr('tabindex', 0);
        }
      });
    });
  })(jQuery);
</script>

ok