diff --git a/frontend-js/src/main/js/gui/SubMenu.js b/frontend-js/src/main/js/gui/SubMenu.js
index dc943a491a253fe65e3c8b952c508f05a76eaf24..89946f94dc4e4d253d4724a19b716aba263312e4 100644
--- a/frontend-js/src/main/js/gui/SubMenu.js
+++ b/frontend-js/src/main/js/gui/SubMenu.js
@@ -5,6 +5,7 @@
 var AbstractGuiElement = require('./AbstractGuiElement');
 var Functions = require('../Functions');
 
+// noinspection JSUnusedLocalSymbols
 var logger = require('../logger');
 
 function SubMenu(params) {
@@ -18,40 +19,40 @@ function SubMenu(params) {
 SubMenu.prototype = Object.create(AbstractGuiElement.prototype);
 SubMenu.prototype.constructor = SubMenu;
 
-SubMenu.prototype._createGui = function(params) {
+SubMenu.prototype._createGui = function (params) {
   var self = this;
 
   var element = self.getElement();
   element.className = "dropdown-submenu";
 
   var link = Functions.createElement({
-    type : "a",
-    href : "#",
-    content : params.name,
+    type: "a",
+    href: "#",
+    content: params.name
   });
   link.tabIndex = -1;
   self.getElement().appendChild(link);
 
   var ul = Functions.createElement({
-    type : "ul",
-    className : "dropdown-menu",
+    type: "ul",
+    className: "dropdown-menu"
   });
   self.getElement().appendChild(ul);
   self.setUl(ul);
 
 };
-SubMenu.prototype.addOption = function(name, handler) {
+SubMenu.prototype.addOption = function (name, handler) {
   var self = this;
   if (name instanceof SubMenu) {
     self.getElement().appendChild(name.getElement());
   } else {
     var option = Functions.createElement({
-      type : "li",
+      type: "li"
     });
     var link = Functions.createElement({
-      type : "a",
-      href : "#",
-      content : name,
+      type: "a",
+      href: "#",
+      content: name
     });
     $(link).data("handler", handler);
     option.appendChild(link);
@@ -59,11 +60,11 @@ SubMenu.prototype.addOption = function(name, handler) {
   }
 };
 
-SubMenu.prototype.setUl = function(ul) {
+SubMenu.prototype.setUl = function (ul) {
   this._ul = ul;
 };
 
-SubMenu.prototype.getUl = function() {
+SubMenu.prototype.getUl = function () {
   return this._ul;
 };