Dropdown without jQuery

js/src/dom/eventHandler.js

@@ -334,7 +334,7 @@ const EventHandler = (() => {
       let defaultPrevented = false
 
       if (inNamespace && typeof $ !== 'undefined') {
-        jQueryEvent = new $.Event(event, args)
+        jQueryEvent = $.Event(event, args)
 
         $(element).trigger(jQueryEvent)
         bubbles = !jQueryEvent.isPropagationStopped()
@@ -342,8 +342,7 @@ const EventHandler = (() => {
         defaultPrevented = jQueryEvent.isDefaultPrevented()
       }
 
-      let evt           = null
-
+      let evt = null
       if (isNative) {
         evt = document.createEvent('HTMLEvents')
         evt.initEvent(typeEvent, bubbles, true)

js/src/dom/manipulator.js

@@ -38,6 +38,18 @@ const Manipulator = {
     }
 
     element.removeAttribute(`data-${key.replace(/[A-Z]/g, (chr) => `-${chr.toLowerCase()}`)}`)
+  },
+
+  toggleClass(element, className) {
+    if (typeof element === 'undefined' || element === null) {
+      return
+    }
+
+    if (element.classList.contains(className)) {
+      element.classList.remove(className)
+    } else {
+      element.classList.add(className)
+    }
   }
 }