Remove jquery from converse-controlbox

src/converse-minimize.js

@@ -349,10 +349,10 @@
                     );
                     if (this.model.get('type') === 'chatroom') {
                         data.title = this.model.get('name');
-                        u.addClass(this.el, 'chat-head-chatroom');
+                        u.addClass('chat-head-chatroom', this.el);
                     } else {
                         data.title = this.model.get('fullname');
-                        u.addClass(this.el, 'chat-head-chatbox');
+                        u.addClass('chat-head-chatbox', this.el);
                     }
                     this.el.innerHTML = tpl_trimmed_chat(data);
                     return this.el;

src/utils.js

@@ -87,15 +87,15 @@
 
     var u = {};
 
-    u.addClass = function (el, className) {
+    u.addClass = function (className, el) {
         if (el instanceof Element) {
             el.classList.add(className);
         }
     }
 
-    u.removeClass = function (klass, el) {
+    u.removeClass = function (className, el) {
         if (el instanceof Element) {
-            el.classList.remove(klass);
+            el.classList.remove(className);
         }
         return el;
     }