also remove the invisible class on destroy

diff --git a/js/foundation.drilldown.js b/js/foundation.drilldown.js
index 3e5f72da4064dacb33db0b3cccb53c9b3fa20643..915c756c39eedb6cf38466f067360c1d5ce5af06 100644 (file)
--- a/js/foundation.drilldown.js
+++ b/js/foundation.drilldown.js
@@ -410,7 +410,7 @@ class Drilldown {
       $(this).off('.zf.drilldown');
     });
 
-    this.$submenus.removeClass('drilldown-submenu-cover-previous');
+    this.$submenus.removeClass('drilldown-submenu-cover-previous invisible');
 
     this.$element.find('a').each(function(){
       var $link = $(this);