diff --git a/.jslintrc b/.jslintrc
index 4ee1252..11db3d7 100644
--- a/.jslintrc
+++ b/.jslintrc
@@ -3,14 +3,11 @@
     "document",
     "navigator",
     "console",
-    "window",
+    "alert",
     "django",
-    "gettext",
-    "windowname_to_id",
-    "jQuery",
-    "WebSocket",
-    "$",
-    "alert"
+    "window",
+    "closeOverlay",
+    "setTimeout"
   ],
 
   "adsafe":     false,
@@ -39,11 +36,11 @@
   "vars":       true,
   "white":      false,
   "validthis":  true,
-  "strict_mode":true,
+  "strict_mode":false,
 
   "browser":    false,
   "devel":      false,
-  "node":       false,
+  "node":       true,
   "rhino":      false,
   "widget":     false,
   "windows":    false,
diff --git a/.travis.yml b/.travis.yml
index fb65a8e..20c27af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,8 +24,8 @@ before_install:
   - pip install --no-cache-dir -U -r requirements-test.txt
   - ./runflake8
   - ./runisort
-  - npm install --save jslint -g
-  - jslint --config ./.jslintrc ./django_netjsongraph/static/netjsongraph/js/*.js
+  - npm install jslint -g
+  - jslint django_netjsongraph/static/netjsongraph/js/*.js
 
 install:
   - pip install $DJANGO
diff --git a/django_netjsongraph/static/netjsongraph/js/receive-url.js b/django_netjsongraph/static/netjsongraph/js/receive-url.js
index 19a553c..86fa045 100644
--- a/django_netjsongraph/static/netjsongraph/js/receive-url.js
+++ b/django_netjsongraph/static/netjsongraph/js/receive-url.js
@@ -1,11 +1,12 @@
-(function($) {
-    $(document).ready(function() {
+(function ($) {
+    'use strict';
+    $(document).ready(function () {
         var p = $('.field-receive_url p, .field-receive_url > div > div'),
             value = window.location.origin + p.text();
-        p.html('<input readonly id="id_receive_url" type="text" class="vTextField readonly" value="'+ value +'">');
+        p.html('<input readonly id="id_receive_url" type="text" class="vTextField readonly" value="' + value + '">');
         var field = $('#id_receive_url');
-        field.click(function(){
+        field.click(function () {
             $(this).select();
         });
     });
-})(django.jQuery);
+}(django.jQuery));
diff --git a/django_netjsongraph/static/netjsongraph/js/strategy-switcher.js b/django_netjsongraph/static/netjsongraph/js/strategy-switcher.js
index 4456e3a..65701b3 100644
--- a/django_netjsongraph/static/netjsongraph/js/strategy-switcher.js
+++ b/django_netjsongraph/static/netjsongraph/js/strategy-switcher.js
@@ -1,18 +1,18 @@
-(function($) {
-    $(document).ready(function() {
+(function ($) {
+    'use strict';
+    $(document).ready(function () {
         var strategy = $('#id_strategy'),
             fetchRows = $('#id_url').parents('.form-row'),
             receiveRows = $('#id_key, #id_expiration_time, #id_receive_url').parents('.form-row');
-        strategy.change(function(e){
-            if (strategy.val() == 'fetch'){
+        strategy.change(function (e) {
+            if (strategy.val() === 'fetch') {
                 fetchRows.show();
                 receiveRows.hide();
-            }
-            else{
+            } else {
                 fetchRows.hide();
                 receiveRows.show();
             }
         });
         strategy.trigger('change');
     });
-})(django.jQuery);
+}(django.jQuery));
diff --git a/django_netjsongraph/static/netjsongraph/js/topology-history.js b/django_netjsongraph/static/netjsongraph/js/topology-history.js
index 2dcf2d9..9b412e5 100644
--- a/django_netjsongraph/static/netjsongraph/js/topology-history.js
+++ b/django_netjsongraph/static/netjsongraph/js/topology-history.js
@@ -1,20 +1,21 @@
-window.initTopologyHistory = function($){
+window.initTopologyHistory = function ($) {
+    'use strict';
     var datepicker = $('#njg-datepicker'),
         today = new Date(),
         apiUrl = datepicker.attr('data-history-api');
     today.setHours(0, 0, 0, 0);
     datepicker.datepicker({dateFormat: 'dd/mm/yy'});
     datepicker.datepicker('setDate', today);
-    datepicker.change(function() {;
+    datepicker.change(function () {
         var date = datepicker.val().split('/').reverse().join('-'),
             url = apiUrl + '?date=' + date;
         // load latest data when looking currentDate
-        if(datepicker.datepicker('getDate').getTime() == today.getTime()){
+        if (datepicker.datepicker('getDate').getTime() === today.getTime()) {
             url = window.__njg_default_url__;
         }
-        $.getJSON(url).done(function(data){
+        $.getJSON(url).done(function (data) {
             window.graph = window.loadNetJsonGraph(data);
-        }).error(function(xhr){
+        }).error(function (xhr) {
             alert(xhr.responseJSON.detail);
         });
     });
diff --git a/django_netjsongraph/static/netjsongraph/js/visualize.js b/django_netjsongraph/static/netjsongraph/js/visualize.js
index a3e0d5a..97bf60d 100644
--- a/django_netjsongraph/static/netjsongraph/js/visualize.js
+++ b/django_netjsongraph/static/netjsongraph/js/visualize.js
@@ -1,54 +1,54 @@
-django.jQuery(function($) {
+django.jQuery(function ($) {
+    'use strict';
     var overlay = $('.djnjg-overlay'),
         body = $('body'),
         inner = overlay.find('.inner'),
         visualizeUrl = $('.visualizelink').attr('data-url');
 
-    var openOverlay = function() {
+    var disableArrowKeys = function (e) {
+        var ar = [37, 38, 39, 40];
+        if ($.inArray(e.keyCode, ar) >= 0) {
+            e.preventDefault();
+        }
+    };
+
+    var openOverlay = function () {
         // show overlay
         window.__njg_el__ = '.djnjg-overlay .inner';
-        $.get(visualizeUrl, function(html) {
+        $.get(visualizeUrl, function (html) {
             overlay.show();
             inner.html(html);
             body.css('overflow', 'hidden');
             inner.css('overflow', 'hidden');
-            overlay.find('.close').click(function(e){
+            overlay.find('.close').click(function (e) {
                 e.preventDefault();
                 closeOverlay();
-            })
-        })
+            });
+        });
         $(document).keydown(disableArrowKeys);
     };
 
     var closeOverlay = function () {
         $(document).unbind('keydown', disableArrowKeys);
         inner.html('');
-        overlay.hide()
+        overlay.hide();
         body.attr('style', '');
     };
 
-    $('.visualizelink').click(function(e){
+    $('.visualizelink').click(function (e) {
         openOverlay();
     });
 
-    $(document).keyup(function(e) {
+    $(document).keyup(function (e) {
         // ALT+P
-        if (e.altKey && e.which == 80) {
+        if (e.altKey && e.which === 80) {
             // unfocus any active input before proceeding
             $(document.activeElement).trigger('blur');
             // corresonding raw value before proceding
             setTimeout(openOverlay, 15);
-        }
-        // ESC
-        else if (!e.ctrlKey && e.which == 27) {
+        } else if (!e.ctrlKey && e.which === 27) {
+            // ESC
             closeOverlay();
         }
     });
-
-    var disableArrowKeys = function(e) {
-        var ar = new Array(37, 38, 39, 40);
-        if ($.inArray(e.keyCode, ar)>=0){
-            e.preventDefault();
-        }
-    }
 });