diff --git a/addons/website/static/lib/ckeditor/core/dom/range.js b/addons/website/static/lib/ckeditor/core/dom/range.js
index d567a50ad43..9a330fc8a70 100644
--- a/addons/website/static/lib/ckeditor/core/dom/range.js
+++ b/addons/website/static/lib/ckeditor/core/dom/range.js
@@ -1360,7 +1360,7 @@ CKEDITOR.dom.range = function( root ) {
 		 * * {@link CKEDITOR#SHRINK_TEXT} - Shrink the range boudaries to anchor by the side of enclosed text
 		 *     node, range remains if there's no text nodes on boundaries at all.
 		 *
-		 * @param {Boolean} selectContents Whether result range anchors at the inner OR outer boundary of the node.
+		 * @param {Boolean} [selectContents] Whether result range anchors at the inner OR outer boundary of the node.
 		 */
 		shrink: function( mode, selectContents, shrinkOnBlockBoundary ) {
 			// Unable to shrink a collapsed range.
diff --git a/addons/website/static/lib/ckeditor/core/selection.js b/addons/website/static/lib/ckeditor/core/selection.js
index e888c3d557c..f3e47c9debb 100644
--- a/addons/website/static/lib/ckeditor/core/selection.js
+++ b/addons/website/static/lib/ckeditor/core/selection.js
@@ -798,7 +798,7 @@
 	 *
 	 * @method
 	 * @member CKEDITOR.editor
-	 * @param {Boolean} forceRealSelection Return real selection, instead of saved or fake one.
+	 * @param {Boolean} [forceRealSelection] Return real selection, instead of saved or fake one.
 	 * @returns {CKEDITOR.dom.selection} A selection object or null if not available for the moment.
 	 */
 	CKEDITOR.editor.prototype.getSelection = function( forceRealSelection ) {
diff --git a/addons/website/static/src/js/website.editor.js b/addons/website/static/src/js/website.editor.js
index 59b8ec4fe0f..8b3a73a06a3 100644
--- a/addons/website/static/src/js/website.editor.js
+++ b/addons/website/static/src/js/website.editor.js
@@ -56,7 +56,7 @@
 
                 //noinspection JSValidateTypes
                 editor.addCommand('link', {
-                    exec: function (editor, data) {
+                    exec: function (editor) {
                         link_dialog(editor);
                         return true;
                     },
@@ -65,7 +65,7 @@
                 });
                 //noinspection JSValidateTypes
                 editor.addCommand('image', {
-                    exec: function (editor, data) {
+                    exec: function (editor) {
                         image_dialog(editor);
                         return true;
                     },
@@ -219,7 +219,7 @@
                 var view_id = $(event.currentTarget).data('view-id');
                 openerp.jsonRpc('/website/customize_template_toggle', 'call', {
                     'view_id': view_id
-                }).then( function(result) {
+                }).then( function() {
                     window.location.reload();
                 });
             });
@@ -253,7 +253,6 @@
             );
         },
         edit: function () {
-            var self = this;
             this.$buttons.edit.prop('disabled', true);
             this.$('#website-top-view').hide();
             this.$('#website-top-edit').show();
@@ -423,7 +422,7 @@
 
             return true;
         },
-        start_edition: function ($elements) {
+        start_edition: function () {
             var self = this;
             // create a single editor for the whole page
             var root = document.getElementById('wrapwrap');
@@ -484,7 +483,7 @@
                 .filter(function () {
                     var $this = $(this);
                     // keep view sections and fields which are *not* in
-                    // view sections for toplevel editables
+                    // view sections for top-level editables
                     return $this.data('oe-model') === 'ir.ui.view'
                        || !$this.closest('[data-oe-model = "ir.ui.view"]').length;
                 });
@@ -855,7 +854,7 @@
             this.preview_image();
         },
 
-        file_selection: function (e) {
+        file_selection: function () {
             this.$('button.filepicker').removeClass('btn-danger btn-success');
 
             var self = this;
diff --git a/addons/website/static/src/js/website.js b/addons/website/static/src/js/website.js
index 963a0b1664d..0147bf0a406 100644
--- a/addons/website/static/src/js/website.js
+++ b/addons/website/static/src/js/website.js
@@ -21,9 +21,6 @@
         templates.push(template);
     };
     website.load_templates = function(templates) {
-        var def = $.Deferred();
-        var count = templates.length;
-
         var dones = _(templates).map(function (t) {
             return new $.Deferred(function (d) {
                 openerp.qweb.add_template(t, function(err) {
@@ -151,7 +148,7 @@
                 });
         });
 
-        $(document).on('click', '.js_publish_management .js_publish_btn', function (e) {
+        $(document).on('click', '.js_publish_management .js_publish_btn', function () {
             var $data = $(this).parents(".js_publish_management:first");
             var $btn = $data.find('.btn:first');
             var publish = $btn.hasClass("btn-success");
diff --git a/addons/website/static/src/js/website.snippets.js b/addons/website/static/src/js/website.snippets.js
index ee759e3d153..0b1ab4e13cd 100644
--- a/addons/website/static/src/js/website.snippets.js
+++ b/addons/website/static/src/js/website.snippets.js
@@ -196,7 +196,7 @@
                     }
                     self.make_active($target);
                 });
-            $("[data-oe-model]").on('click', function (ev) {
+            $("[data-oe-model]").on('click', function () {
                     if (!snipped_event_flag && self.$active_snipped_id && !self.$active_snipped_id.parents("[data-snippet-id]:first")) {
                         self.make_active(false);
                     }
@@ -224,6 +224,7 @@
         },
         clean_for_save: function () {
             for (var k in this.snippets) {
+                if (!this.snippets.hasOwnProperty(k)) { continue; }
                 var editor = $(this.snippets[k]).data("snippet-editor");
                 if (editor) {
                     editor.clean_for_save();
@@ -342,9 +343,9 @@
                 },
                 stop: function(ev, ui){
                     if (action === 'insert' && ! dropped) {
-                        var el = $('.oe_drop_zone').nearest({x: ui.position.left, y: ui.position.top}).first()
-                        if (el) {
-                            el.after($toInsert)
+                        var $el = $('.oe_drop_zone').nearest({x: ui.position.left, y: ui.position.top}).first();
+                        if ($el) {
+                            $el.after($toInsert);
                             dropped = true;
                         }
                     }
@@ -460,7 +461,7 @@
                 // count += $zones.length;
                 // $zones.remove();
 
-                $zones = $('.oe_drop_zone > .oe_drop_zone:not(.oe_vertical)').remove();   // no recusrive zones
+                $zones = $('.oe_drop_zone > .oe_drop_zone:not(.oe_vertical)').remove();   // no recursive zones
                 count += $zones.length;
                 $zones.remove();
             } while (count > 0);
@@ -471,14 +472,13 @@
                 var zone = $(this);
                 var prev = zone.prev();
                 var next = zone.next();
-                var float_prev = zone.prev().css('float')   || 'none';
-                var float_next = zone.next().css('float')   || 'none';
-                var disp_prev  = zone.prev().css('display') ||  null;
-                var disp_next  = zone.next().css('display') ||  null;
+                var float_prev = prev.css('float')   || 'none';
+                var float_next = next.css('float')   || 'none';
+                var disp_prev  = prev.css('display') ||  null;
+                var disp_next  = next.css('display') ||  null;
                 if(     (float_prev === 'left' || float_prev === 'right')
                     &&  (float_next === 'left' || float_next === 'right')  ){
                     zone.remove();
-                    return;
                 }else if( !( disp_prev === null
                           || disp_next === null
                           || disp_prev === 'block'
@@ -689,7 +689,7 @@
             var self = this;
             var $styles = this.$overlay.find('.oe_options');
             var $ul = $styles.find('ul:first');
-            _.each(this.parent.style_templates, function (val, key) {
+            _.each(this.parent.style_templates, function (val) {
                 if (!self.parent.dom_filter(val.selector).is(self.$target)) {
                     return;
                 }
@@ -757,7 +757,7 @@
 
         /*
         *  build_snippet
-        *  This method is called just after that a thumbnail is drag and droped into a drop zone
+        *  This method is called just after that a thumbnail is drag and dropped into a drop zone
         *  (after the insertion of this.$body, if this.$body exists)
         */
         build_snippet: function ($target) {
@@ -771,7 +771,7 @@
         },
 
         /* onFocus
-        *  This method is called when the user click outide the snippet in the dom, after a focus
+        *  This method is called when the user click outside the snippet in the dom, after a focus
         */
         onBlur : function () {
             this.$overlay.removeClass('oe_active');
@@ -790,7 +790,7 @@
             var $ul = this.$editor.find(ul_options);
             var bg_value = (typeof bg === 'string' ? this.$target.find(bg) : $(bg)).css("background-image").replace(/url\(['"]*|['"]*\)/g, "");
 
-            // bind envent on options
+            // bind event on options
             var $li = $ul.find("li");
             $li.on('click', function (event) {
                     if ($(this).data("value")) {
@@ -893,7 +893,8 @@
                     var regClass = new RegExp("\\s*" + resize[0][begin].replace(/[-]*[0-9]+/, '[-]*[0-9]+'), 'g');
 
                     var cursor = $handle.css("cursor")+'-important';
-                    $("body").addClass(cursor);
+                    var $body = $(document.body);
+                    $body.addClass(cursor);
 
                     var body_mousemove = function (event){
                         event.preventDefault();
@@ -920,15 +921,15 @@
                             self.parent.cover_target(self.$overlay, self.$target);
                         }
                     };
-                    $('body').mousemove(body_mousemove);
 
                     var body_mouseup = function(){
-                        $('body').unbind('mousemove', body_mousemove);
-                        $('body').unbind('mouseup', body_mouseup);
-                        $("body").removeClass(cursor);
+                        $body.unbind('mousemove', body_mousemove);
+                        $body.unbind('mouseup', body_mouseup);
+                        $body.removeClass(cursor);
                         self.parent.editor_busy = false;
                     };
-                    $('body').mouseup(body_mouseup);
+                    $body.mousemove(body_mousemove);
+                    $body.mouseup(body_mouseup);
                 });
         },
         getSize: function () {
@@ -998,7 +999,7 @@
             if (compass !== 'w')
                 return;
 
-            // don't change the rigth border position when we change the offset (replace col size)
+            // don't change the right border position when we change the offset (replace col size)
             var beginCol = Number(beginClass.match(/col-md-([0-9]+)|$/)[1] || 0);
             var beginOffset = Number(beginClass.match(/col-md-offset-([0-9-]+)|$/)[1] || beginClass.match(/col-lg-offset-([0-9-]+)|$/)[1] || 0);
             var offset = Number(this.grid.w[0][current].match(/col-md-offset-([0-9-]+)|$/)[1] || 0);
@@ -1128,7 +1129,6 @@
             var style = false;
             var $el = this.$inner.find('.item.active');
             var $ul = this.$editor.find('ul[name="carousel-style"]');
-            var $li = $ul.find("li");
 
             if ($el.hasClass('text_only'))
                 style = 'text_only';
@@ -1160,7 +1160,6 @@
                 });
         },
         change_size: function () {
-            var self = this;
             var $el = this.$target;
 
             var size = 'oe_big';
@@ -1197,7 +1196,6 @@
             this.change_size();
         },
         scroll: function(){
-            var self = this;
             var $ul = this.$editor.find('ul[name="parallax-scroll"]');
             var $li = $ul.find("li");
             var $parallax = this.$target.find('.parallax');
@@ -1207,7 +1205,7 @@
             $li.on('click', function (event) {
                 $li.removeClass("active");
                 $(this).addClass("active");
-                var speed =  $(this).data('value')
+                var speed =  $(this).data('value');
                 $parallax.attr('data-stellar-background-ratio', speed);
             });
 
diff --git a/addons/website/static/src/js/website.tour.basic.js b/addons/website/static/src/js/website.tour.basic.js
index 82ad4790c25..876d2a7b5b9 100644
--- a/addons/website/static/src/js/website.tour.basic.js
+++ b/addons/website/static/src/js/website.tour.basic.js
@@ -10,6 +10,7 @@
         name: "Insert a banner",
         init: function (editor) {
             var self = this;
+            var $body = $(document.body);
             self.steps = [
                 {
                     stepId: 'welcome',
@@ -56,15 +57,16 @@
                     onShow: function () {
                         function beginDrag () {
                             $('.popover.tour').remove();
-                            $('body').off('mousedown', beginDrag);
                             function goToNextStep () {
                                 $('#oe_snippets').hide();
                                 self.movetoStep('edit-title');
-                                $('body').off('mouseup', goToNextStep);
+                                $body.off('mouseup', goToNextStep);
                             }
-                            $('body').on('mouseup', goToNextStep);
+                            $body.off('mousedown', beginDrag);
+                            $body.on('mouseup', goToNextStep);
                         }
-                        $('body').on('mousedown', beginDrag);
+
+                        $body.on('mousedown', beginDrag);
                     },
                 },
                 {
@@ -121,7 +123,7 @@
                     title: "Help is always available",
                     content: "But you can always click here if you want more tutorials.",
                     template: render('website.tour_popover', { end: "Close" }),
-                },
+                }
             ];
             return this._super();
         },
@@ -158,4 +160,4 @@
         },
     });
 
-}());
\ No newline at end of file
+}());
diff --git a/addons/website/static/src/js/website.translator.js b/addons/website/static/src/js/website.translator.js
index b3f460cbf75..88b77fe73b4 100644
--- a/addons/website/static/src/js/website.translator.js
+++ b/addons/website/static/src/js/website.translator.js
@@ -24,7 +24,7 @@
                 dialog.on('activate', this, function () {
                     localStorage[nodialog] = dialog.$('input[name=do_not_show]').prop('checked') || '';
                     dialog.$el.modal('hide');
-                    this.translate().then(function () {
+                    self.translate().then(function () {
                         mysuper.call(self);
                     });
                 });
@@ -143,7 +143,6 @@
                 if (node.attributes['data-oe-translate'].value == '1') {
                     node.className += ' oe_translatable_field';
                 }
-                return;
             } else if (node.childNodes.length === 1
                     && this.isTextNode(node.childNodes[0])
                     && !node.getAttribute('data-oe-model')) {
diff --git a/addons/website_blog/static/src/js/website_blog.js b/addons/website_blog/static/src/js/website_blog.js
index 511fb9b2822..df9f2ea3081 100644
--- a/addons/website_blog/static/src/js/website_blog.js
+++ b/addons/website_blog/static/src/js/website_blog.js
@@ -1,17 +1,16 @@
 $(document).ready(function () {
-    $form = $('.js_nav_year a:first').on('click', function (e) {
+    $('.js_nav_year a:first').on('click', function (e) {
         e.preventDefault();
         $(this).next("ul").toggle();
     });
 
-    $form = $('.js_nav_month a:first').on('click', function (e) {
+    $('.js_nav_month a:first').on('click', function (e) {
         e.preventDefault();
         var $ul = $(this).next("ul");
         if (!$ul.find('li').length) {
             $.post('/blog/nav', {'domain': $(this).data("domain")}, function (result) {
-                var result = JSON.parse(result);
                 var blog_id = +window.location.pathname.split("/").pop();
-                $(result).each(function () {
+                $(JSON.parse(result)).each(function () {
                     var $a = $('<a href="/blog/' + this.category_id + '/' + this.id + '"/>').text(this.name);
                     var $li = $("<li/>").append($a);
                     if (blog_id == this.id)
@@ -27,7 +26,7 @@ $(document).ready(function () {
         }
     });
 
-    $form = $('.js_website_blog form#comment');
+    var $form = $('.js_website_blog form#comment');
     $form.submit(function (e) {
         e.preventDefault();
         var error = $form.find("textarea").val().length < 3;
@@ -39,4 +38,4 @@ $(document).ready(function () {
             });
         }
     });
-});
\ No newline at end of file
+});
diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index ab10c04ad9b..508a4405aea 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -3,8 +3,8 @@ $(document).ready(function () {
         $(".oe_website_sale .js_shipping").toggle();
     });
 
-    $payment = $(".oe_website_sale .js_payment");
-    $("input[name='payment_type']", $payment).click(function (ev) {
+    var $payment = $(".oe_website_sale .js_payment");
+    $payment.find("input[name='payment_type']").click(function (ev) {
         var payment_id = $(ev.currentTarget).val();
         $("div[data-id]", $payment).addClass("hidden");
         $("a.btn:last, div[data-id='"+payment_id+"']", $payment).removeClass("hidden");