diff --git a/frontend-js/src/main/js/GuiConnector.js b/frontend-js/src/main/js/GuiConnector.js
index e7c261c874523051a0282f8fbb040803a15522ee..203b346e232d56954ec38cd1c00bfe960b24ba78 100644
--- a/frontend-js/src/main/js/GuiConnector.js
+++ b/frontend-js/src/main/js/GuiConnector.js
@@ -2,8 +2,6 @@
 
 var logger = require('./logger');
 
-var TabNavi = require('./TabNavi');
-
 /**
  * This static global object contains set of functions that returns/set data in
  * the Gui (html).
@@ -68,8 +66,6 @@ GuiConnector.init = function() {
       GuiConnector.updateMouseCoordinates(e.pageX, e.pageY);
     });
   });
-
-//  GuiConnector.leftPanelTabNavi = new TabNavi("tabView");
 };
 
 /**
diff --git a/frontend-js/src/main/js/ServerConnector.js b/frontend-js/src/main/js/ServerConnector.js
index 4e91f3e6e5fc5e55311c643b8bc715c25e52b333..f78c485269579082b2488219d407aad50a77ec37 100644
--- a/frontend-js/src/main/js/ServerConnector.js
+++ b/frontend-js/src/main/js/ServerConnector.js
@@ -62,7 +62,7 @@ ServerConnector.updateReferenceGenomeData = function(organismId, type, version,
 
 ServerConnector.getMinOverlayColorInt = function() {
   var self = this;
-  return new Promise(function(resolve, reject){
+  return new Promise(function(resolve){
     var userColor;
     return self.getLoggedUser().then(function(user){
       userColor = user.getMinColor();
@@ -76,13 +76,13 @@ ServerConnector.getMinOverlayColorInt = function() {
       /* jslint bitwise: true */
       color = (color & 0xFFFFFF);
       resolve(color);
-    })
+    });
   });
 };
 
 ServerConnector.getMaxOverlayColorInt = function() {
   var self = this;
-  return new Promise(function(resolve, reject){
+  return new Promise(function(resolve){
     var userColor;
     return self.getLoggedUser().then(function(user){
       userColor = user.getMaxColor();
@@ -96,7 +96,7 @@ ServerConnector.getMaxOverlayColorInt = function() {
       /* jslint bitwise: true */
       color = (color & 0xFFFFFF);
       resolve(color);
-    })
+    });
   });
 };
 
diff --git a/frontend-js/src/main/js/gui/Header.js b/frontend-js/src/main/js/gui/Header.js
index 6a67a5495ee19271d68b3cc7f2f2c970ab4859e6..dc572a7166742c2a3656f1584fcc4f1a85375035 100644
--- a/frontend-js/src/main/js/gui/Header.js
+++ b/frontend-js/src/main/js/gui/Header.js
@@ -17,7 +17,7 @@ function Header(params) {
 Header.prototype = Object.create(AbstractGuiElement.prototype);
 Header.prototype.constructor = Header;
 
-Header.prototype._createHeaderGui = function(message) {
+Header.prototype._createHeaderGui = function() {
   var self = this;
   var projectId = self.getMap().getProject().getProjectId();
   var projectName = self.getMap().getProject().getName();
diff --git a/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js b/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
index 795a2e5a1a810061d001a67f844bef39f6288dee..11171b1b81e8662d097e46e2a5fdb57c6ddfde0e 100644
--- a/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/AbstractDbPanel.js
@@ -18,7 +18,7 @@ function AbstractPanel(params) {
 
   this._initializeGui();
   this.setOverlayDb (self.getMap().getOverlayByName(params.panelName));
-  this._createEventHandlers()
+  this._createEventHandlers();
 
   this._tabIdCount = 0;
 }
diff --git a/frontend-js/src/main/js/gui/leftPanel/ChemicalPanel.js b/frontend-js/src/main/js/gui/leftPanel/ChemicalPanel.js
index 2361f53b5df621b72e5e3277d825322e181bf165..d65363e3ce00f99f83495a97cfc92765acc5ec48 100644
--- a/frontend-js/src/main/js/gui/leftPanel/ChemicalPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/ChemicalPanel.js
@@ -53,6 +53,6 @@ ChemicalPanel.prototype.init = function() {
   } else {
     return Promise.resolve();
   }
-}
+};
 
 module.exports = ChemicalPanel;
diff --git a/frontend-js/src/main/js/gui/leftPanel/Footer.js b/frontend-js/src/main/js/gui/leftPanel/Footer.js
index e0cf37b7111884589a424f55c51da7987025aecf..77f30eaf9ef134b8a1166cc37a8679f4e926c012 100644
--- a/frontend-js/src/main/js/gui/leftPanel/Footer.js
+++ b/frontend-js/src/main/js/gui/leftPanel/Footer.js
@@ -18,7 +18,7 @@ function Footer(params) {
 Footer.prototype = Object.create(AbstractGuiElement.prototype);
 Footer.prototype.constructor = Footer;
 
-Footer.prototype._createFooterGui = function(message) {
+Footer.prototype._createFooterGui = function() {
   var self = this;
   var projectId = self.getMap().getProject().getProjectId();
   self.getElement().className = "footerLinks";
@@ -44,7 +44,7 @@ Footer.prototype._createFooterGui = function(message) {
       var win = window.open(manualFileUrl, '_user_manual_');
       win.focus();
     });
-  }
+  };
   self.getElement().appendChild(link);
 
   link = Functions.createElement({
diff --git a/frontend-js/src/main/js/gui/leftPanel/LeftPanel.js b/frontend-js/src/main/js/gui/leftPanel/LeftPanel.js
index 3a0ed3420c45d2a1f170b66c7f6ce61c50f4984f..ce237fa352d73b5d18440c799bf49b33f18af9db 100644
--- a/frontend-js/src/main/js/gui/leftPanel/LeftPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/LeftPanel.js
@@ -31,7 +31,7 @@ function LeftPanel(params) {
 LeftPanel.prototype = Object.create(AbstractGuiElement.prototype);
 LeftPanel.prototype.constructor = LeftPanel;
 
-LeftPanel.prototype._createPanelGui = function(message) {
+LeftPanel.prototype._createPanelGui = function() {
   var self = this;
   var panels = [ {
     name : "SEARCH",
diff --git a/frontend-js/src/main/js/gui/leftPanel/MiRnaPanel.js b/frontend-js/src/main/js/gui/leftPanel/MiRnaPanel.js
index cdf27813b5e7ed090b5b191a73fc643ca4c52c91..0db32a4f5ddaa8f4da1d3e749201b22417ac8ed1 100644
--- a/frontend-js/src/main/js/gui/leftPanel/MiRnaPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/MiRnaPanel.js
@@ -48,6 +48,6 @@ MiRnaPanel.prototype.init = function() {
   } else {
     return Promise.resolve();
   }
-}
+};
 
 module.exports = MiRnaPanel;
diff --git a/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js b/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
index d59e4a93c0330ab2ca0d869798485e85060dce67..7858b625bf803745e8985a281efadaf2206c6585 100644
--- a/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js
@@ -49,9 +49,9 @@ OverlayPanel.prototype._createOverlayPanelGui = function() {
   this.getElement().appendChild(customOverlaysDiv);
   this.setControlElement(PanelControlElementType.OVERLAY_CUSTOM_OVERLAY_DIV, customOverlaysDiv);
 
-  var generalOverlaysTitle = Functions.createElement({type:"h5", name:"customOverlaysTitle", content:"USER-PROVIDED OVERLAYS:"} );
-  customOverlaysDiv.appendChild(generalOverlaysTitle);
-  this.setControlElement(PanelControlElementType.OVERLAY_CUSTOM_OVERLAY_TITLE, generalOverlaysTitle);
+  var customOverlaysTitle = Functions.createElement({type:"h5", name:"customOverlaysTitle", content:"USER-PROVIDED OVERLAYS:"} );
+  customOverlaysDiv.appendChild(customOverlaysTitle);
+  this.setControlElement(PanelControlElementType.OVERLAY_CUSTOM_OVERLAY_TITLE, customOverlaysTitle);
 
   var customOverlaysTableDiv = Functions.createElement({type:"table",name:"customOverlaysTab",className:"table table-bordered", style: "width:100%"});
   customOverlaysDiv.appendChild(customOverlaysTableDiv);
diff --git a/frontend-js/src/main/js/gui/leftPanel/Panel.js b/frontend-js/src/main/js/gui/leftPanel/Panel.js
index 6e95863cf570df3beac41157cf4682e158a69201..759a0ff934dd4dd4dc48b0fdad200bba4a57dc2a 100644
--- a/frontend-js/src/main/js/gui/leftPanel/Panel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/Panel.js
@@ -418,7 +418,7 @@ Panel.prototype.createTableRow = function(elements) {
     row.appendChild(cell);
   }
   return row;
-}
+};
 
 Panel.prototype.init = function() {
   throw new Error(this.getPanelName() + " Not implemented");
diff --git a/frontend-js/src/main/js/gui/leftPanel/ProjectInfoPanel.js b/frontend-js/src/main/js/gui/leftPanel/ProjectInfoPanel.js
index 9ad72412d393ca8739fcfbccd90b296fde3fe61d..d16560a337e30b78a7945abc6f0357fd97e8cd87 100644
--- a/frontend-js/src/main/js/gui/leftPanel/ProjectInfoPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/ProjectInfoPanel.js
@@ -135,10 +135,10 @@ ProjectInfoPanel.prototype._createInfoPanelLogic = function() {
 
   downloadSourceButton.onclick = function() {
     return self.downloadSourceFile();
-  }
+  };
   showPublicationsButton.onclick = function() {
     return self.showPublicationListDialog();
-  }
+  };
 };
 
 ProjectInfoPanel.prototype.downloadSourceFile = function() {
@@ -155,10 +155,10 @@ ProjectInfoPanel.prototype.showPublicationListDialog = function() {
 ProjectInfoPanel.prototype.refresh = function() {
   var self = this;
 
-  var projectNameText = this.getControlElement(PanelControlElementType.INFO_PROJECT_NAME_TEXT);
-  var projectVersionText = this.getControlElement(PanelControlElementType.INFO_PROJECT_VERSION_TEXT);
-  var projectDescriptionText = this.getControlElement(PanelControlElementType.INFO_PROJECT_DESCRIOPTION_TEXT);
-  var projectPublicationsText = this.getControlElement(PanelControlElementType.INFO_PROJECT_PUBLICATIONS_TEXT);
+  var projectNameText = self.getControlElement(PanelControlElementType.INFO_PROJECT_NAME_TEXT);
+  var projectVersionText = self.getControlElement(PanelControlElementType.INFO_PROJECT_VERSION_TEXT);
+  var projectDescriptionText = self.getControlElement(PanelControlElementType.INFO_PROJECT_DESCRIOPTION_TEXT);
+  var projectPublicationsText = self.getControlElement(PanelControlElementType.INFO_PROJECT_PUBLICATIONS_TEXT);
 
   return ServerConnector.getProject().then(function(project) {
     projectNameText.innerHTML = project.getName();
@@ -171,5 +171,6 @@ ProjectInfoPanel.prototype.refresh = function() {
 
 ProjectInfoPanel.prototype.init = function() {
   return this.refresh();
-}
+};
+
 module.exports = ProjectInfoPanel;
diff --git a/frontend-js/src/main/js/gui/leftPanel/PublicationListDialog.js b/frontend-js/src/main/js/gui/leftPanel/PublicationListDialog.js
index 714e38e90240b7b0f053f78d557478a0d2ed61a1..91eb2f95680cc5c89f6d1801cd56847eccf78383 100644
--- a/frontend-js/src/main/js/gui/leftPanel/PublicationListDialog.js
+++ b/frontend-js/src/main/js/gui/leftPanel/PublicationListDialog.js
@@ -6,7 +6,6 @@ var Promise = require("bluebird");
 
 var AbstractGuiElement = require('../AbstractGuiElement');
 var Alias = require('../../map/data/Alias');
-var GuiConnector = require('../../GuiConnector');
 var IdentifiedElement = require('../../map/data/IdentifiedElement');
 var Reaction = require('../../map/data/Reaction');
 
@@ -55,11 +54,11 @@ PublicationListDialog.prototype.createPublicationListDialogGui = function() {
   self.getElement().appendChild(tableElement);
 };
 
-PublicationListDialog.prototype._dataTableAjaxCall = function(data, callback, settings) {
+PublicationListDialog.prototype._dataTableAjaxCall = function(data, callback) {
   var self = this;
   return ServerConnector.getPublications({
     start : data.start,
-    length : data.length
+    length : data.length,
   })
       .then(
           function(publicationList) {
@@ -94,7 +93,7 @@ PublicationListDialog.prototype._dataTableAjaxCall = function(data, callback, se
             allElements.forEach(function(element) {
               promises.push(self.getMap().getSubmodelById(element.getModelId()).getModel().getByIdentifiedElement(
                   element, true).then(function(elementData) {
-                var name = null
+                var name = null;
                 if (elementData instanceof Alias) {
                   name = elementData.getName();
                 } else if (elementData instanceof Reaction) {
diff --git a/frontend-js/src/main/js/gui/leftPanel/SearchPanel.js b/frontend-js/src/main/js/gui/leftPanel/SearchPanel.js
index 3d81cba9a63d4ad0f642f51d82489747cbf35e63..9108186eb4a704b2616e3e73f9095e4f8b093e8f 100644
--- a/frontend-js/src/main/js/gui/leftPanel/SearchPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/SearchPanel.js
@@ -174,5 +174,6 @@ SearchPanel.prototype.init = function() {
   } else {
     return Promise.resolve();
   }
-}
+};
+
 module.exports = SearchPanel;
diff --git a/frontend-js/src/main/js/map/CustomMap.js b/frontend-js/src/main/js/map/CustomMap.js
index 81971c62f2f17a30bac50d57a56cbaf006773d77..1d95d35dc4634660fd02c9234599244122d1c7cb 100644
--- a/frontend-js/src/main/js/map/CustomMap.js
+++ b/frontend-js/src/main/js/map/CustomMap.js
@@ -3,7 +3,6 @@
 var Promise = require("bluebird");
 
 var logger = require('../logger');
-var functions = require('../Functions');
 
 var AbstractCustomMap = require('./AbstractCustomMap');
 var AbstractDbOverlay = require('./overlay/AbstractDbOverlay');
diff --git a/frontend-js/src/main/js/minerva.js b/frontend-js/src/main/js/minerva.js
index 4c9a2b87989d20db7a12ee861aeb28055efadc01..29fbff6d7f6bec2fe2660b5c80d30acf420256e8 100644
--- a/frontend-js/src/main/js/minerva.js
+++ b/frontend-js/src/main/js/minerva.js
@@ -86,15 +86,15 @@ function createLegend(element) {
   });
 }
 
-function insertGoogleAnalyticsCode(customMap) {
-  return new Promise(function(resolve,reject){
+function insertGoogleAnalyticsCode() {
+  return new Promise(function(resolve){
     return ServerConnector.getConfigurationParam(ConfigurationType.GOOGLE_ANALYTICS_IDENTIFIER).then(function(identifier){
       if (identifier === "" || identifier === undefined || identifier === null) {
         resolve();
       } else {
         global._gaq = global._gaq || [];
-        _gaq.push(['_setAccount', identifier]);
-        _gaq.push(['_trackPageview']);
+        global._gaq.push(['_setAccount', identifier]);
+        global._gaq.push(['_trackPageview']);
 
         (function() {
           var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
@@ -103,7 +103,7 @@ function insertGoogleAnalyticsCode(customMap) {
         })();
         resolve();
       }
-    })
+    });
   });
 }
 
@@ -171,7 +171,6 @@ function create(params) {
         }
       };
       var hideButton = document.getElementsByName("hideButton")[0];
-      var panel = document.getElementsByName("leftPanel")[0];
       var icon = document.getElementsByName("hideButtonIcon")[0];
       hideButton.onclick = function(){
         if (icon.className.indexOf("fa-chevron-left")>=0) {
diff --git a/frontend-js/src/test/js/google-map-mock.js b/frontend-js/src/test/js/google-map-mock.js
index 23e567b811f021b1653b68d8edb9555118d5c2f9..15e220c0c003eae331845dd9b747032aa38a9d44 100644
--- a/frontend-js/src/test/js/google-map-mock.js
+++ b/frontend-js/src/test/js/google-map-mock.js
@@ -262,9 +262,10 @@ var google = {
       this.setMap = function(map) {
         this.options.map = map;
       };
-      this.setOptions= function(options) {
-        for (var attrname in options)
+      this.setOptions = function(options) {
+        for ( var attrname in options) {
           this.options[attrname] = options[attrname];
+        }
       };
     },
     Size : function() {
diff --git a/frontend-js/src/test/js/gui/OverviewDialog-test.js b/frontend-js/src/test/js/gui/OverviewDialog-test.js
index 3168c9727582f1968750b425bbe063b1077b8047..e48ade484f1b57a4a176a8f2ac4c25beb5fd1657 100644
--- a/frontend-js/src/test/js/gui/OverviewDialog-test.js
+++ b/frontend-js/src/test/js/gui/OverviewDialog-test.js
@@ -1,5 +1,7 @@
 "use strict";
 
+/* exported logger,assert */
+
 var Helper = require('../helper');
 
 require("../mocha-config.js");
diff --git a/frontend-js/src/test/js/gui/leftPanel/AbstractPanel-test.js b/frontend-js/src/test/js/gui/leftPanel/AbstractPanel-test.js
index b1ce5d8489883d368a05fc9237fd5b3beb52b13d..07f8eb5d6afddc5874c17a83d9daac4a6958abd5 100644
--- a/frontend-js/src/test/js/gui/leftPanel/AbstractPanel-test.js
+++ b/frontend-js/src/test/js/gui/leftPanel/AbstractPanel-test.js
@@ -24,7 +24,7 @@ describe('AbstractDbPanel', function() {
     var div = document.createElement("div");
 
     var map = helper.createCustomMap();
-    map.registerSource(helper.createSearchDbOverlay(map))
+    map.registerSource(helper.createSearchDbOverlay(map));
 
     var panel = new AbstractDbPanel({
       element : div,
@@ -32,7 +32,7 @@ describe('AbstractDbPanel', function() {
       panelName : "search",
     });
 
-    assert.ok(panel.getControlElement(PanelControlElementType.SEARCH_LABEL).innerHTML != "");
+    assert.ok(panel.getControlElement(PanelControlElementType.SEARCH_LABEL).innerHTML !== "");
   });
 
 });
diff --git a/frontend-js/src/test/js/gui/leftPanel/Footer-test.js b/frontend-js/src/test/js/gui/leftPanel/Footer-test.js
index d1345f77a16aee304380ce37c5e26ee7002cc600..e5ce383b9a43ca7af8c099a10311e0ec062188b7 100644
--- a/frontend-js/src/test/js/gui/leftPanel/Footer-test.js
+++ b/frontend-js/src/test/js/gui/leftPanel/Footer-test.js
@@ -41,15 +41,15 @@ describe('Footer', function() {
 
     var promises = [];
     $("a", testDiv).each(function(index, element) {
-      promises.push(new Promise(function(resolve, reject) {
+      promises.push(new Promise(function(resolve) {
         var fun = element.onclick;
-        if (fun) { 
+        if (fun) {
           resolve(fun());
         } else {
           resolve(null);
         }
-      })
-    )});
+      }));
+    });
     return Promise.all(promises);
   });
 
diff --git a/frontend-js/src/test/js/gui/leftPanel/ProjectInfoPanel-test.js b/frontend-js/src/test/js/gui/leftPanel/ProjectInfoPanel-test.js
index 2b45a2a364cf60e808bf8538dbcbbb3347e2c9c2..943fdbcd61441b5503ab49b43817f7d25fcd1f70 100644
--- a/frontend-js/src/test/js/gui/leftPanel/ProjectInfoPanel-test.js
+++ b/frontend-js/src/test/js/gui/leftPanel/ProjectInfoPanel-test.js
@@ -35,7 +35,7 @@ describe('ProjectInfoPanel', function() {
       element : div,
       customMap : helper.createCustomMap(),
     });
-    return panel.refresh().then(function(result) {
+    return panel.refresh().then(function() {
       assert.ok(div.innerHTML.indexOf("UNKNOWN DISEASE MAP") >= 0);
     });
   });
diff --git a/frontend-js/src/test/js/gui/leftPanel/SearchPanel-test.js b/frontend-js/src/test/js/gui/leftPanel/SearchPanel-test.js
index 60c94261c30e55db515b64086194b5f5acc51b92..9dd1b7ab3700211970626db16a368a6da1ccc4d6 100644
--- a/frontend-js/src/test/js/gui/leftPanel/SearchPanel-test.js
+++ b/frontend-js/src/test/js/gui/leftPanel/SearchPanel-test.js
@@ -66,7 +66,7 @@ describe('SearchPanel', function() {
   it('search by query with no results', function() {
     var map = helper.createCustomMap();
     map.getModel().setId(15781);
-    var searchDbOverlay = helper.createSearchDbOverlay(map);
+    helper.createSearchDbOverlay(map);
 
     var panel = new SearchPanel({
       element : testDiv,
diff --git a/frontend-js/src/test/js/helper.js b/frontend-js/src/test/js/helper.js
index 06e8d145bf971645b02b7d03b321823576ca81f7..130ee54cb3430895541ca25d308d4357734cf518 100644
--- a/frontend-js/src/test/js/helper.js
+++ b/frontend-js/src/test/js/helper.js
@@ -39,7 +39,7 @@ Helper.prototype.createMenuDiv = function() {
   result.appendChild(versionDiv);
 
   var button = document.createElement("button");
-  button.setAttribute("name", "hideButton")
+  button.setAttribute("name", "hideButton");
   hideDiv.appendChild(button);
 
   var icon = document.createElement("i");
diff --git a/frontend-js/src/test/js/map/CustomMap-test.js b/frontend-js/src/test/js/map/CustomMap-test.js
index 397e0b59022c75d579da7897d1fa0787e8df4afa..c923b6fbd857b1094d5b106c4ada8766c3b412ea 100644
--- a/frontend-js/src/test/js/map/CustomMap-test.js
+++ b/frontend-js/src/test/js/map/CustomMap-test.js
@@ -6,7 +6,6 @@ require("../mocha-config.js");
 
 var AliasOverlay = require('../../../main/js/map/overlay/AliasOverlay');
 var Comment = require('../../../main/js/map/data/Comment');
-var ControlType = require('../../../main/js/map/ControlType');
 var CustomMap = require('../../../main/js/map/CustomMap');
 var IdentifiedElement = require('../../../main/js/map/data/IdentifiedElement');
 
diff --git a/frontend-js/src/test/js/map/overlay/DbOverlayCollection-test.js b/frontend-js/src/test/js/map/overlay/DbOverlayCollection-test.js
index 7018dafce628002cacd320e45c87d6b60e63679f..bd705551a8d5fe59397796797a5a0890e839cda9 100644
--- a/frontend-js/src/test/js/map/overlay/DbOverlayCollection-test.js
+++ b/frontend-js/src/test/js/map/overlay/DbOverlayCollection-test.js
@@ -4,7 +4,6 @@ var Helper = require('../../Helper');
 
 var logger = require('../../logger');
 
-var IdentifiedElement = require('../../../../main/js/map/data/IdentifiedElement');
 var DbOverlayCollection = require('../../../../main/js/map/overlay/DbOverlayCollection');
 
 var assert = require('assert');
@@ -20,7 +19,7 @@ describe('DbOverlayCollection', function() {
     new DbOverlayCollection({
       map : map,
     });
-    
+
     assert.equal(logger.getWarnings.length, 0);
   });
 });
diff --git a/frontend-js/src/test/js/mocha-config.js b/frontend-js/src/test/js/mocha-config.js
index 91c6b7e1d43c1591fb9adcaa8bb20b4b812937af..3be5a057ec45cdb7c80e3b2d8c45fff69ba8bcbf 100644
--- a/frontend-js/src/test/js/mocha-config.js
+++ b/frontend-js/src/test/js/mocha-config.js
@@ -16,16 +16,16 @@ global.$ = require('jQuery');
 global.jQuery = $;
 global.window.$ = $;
 
-//additions to jsdom implementations:
+// additions to jsdom implementations:
 global.Option = window.Option;
-window.open = function(){
+window.open = function() {
   var result = {};
-  result.focus = function(){
-    
+  result.focus = function() {
+
   };
   return result;
-}
-//---
+};
+// ---
 
 require('jquery-ui-dist/jquery-ui.js');