diff --git a/addons/web/static/src/js/views/basic/basic_view.js b/addons/web/static/src/js/views/basic/basic_view.js
index 1601cf4c350..947a3ad26b6 100644
--- a/addons/web/static/src/js/views/basic/basic_view.js
+++ b/addons/web/static/src/js/views/basic/basic_view.js
@@ -53,9 +53,9 @@ var BasicView = AbstractView.extend({
 
         var result = this._processFieldsView(arch, fields);
         var fieldAttrs = result.fieldAttrs;
-        var view_fields = result.view_fields;
-        var fieldNames = _.keys(view_fields);
-        fields = _.defaults(view_fields, fields);
+        var viewFields = result.view_fields;
+        var fieldNames = _.keys(viewFields);
+        fields = _.defaults(viewFields, fields);
         var self = this;
         // process the inner fields_view as well to find the fields they use.
         // register those fields' description directly on the view.
@@ -63,12 +63,12 @@ var BasicView = AbstractView.extend({
         // basically the field_names will be the keys of the fields obj.
         // don't use _ to iterate on fields in case there is a 'length' field,
         // as _ doesn't behave correctly when there is a length key in the object
-        for (var field_name in fields) {
-            var field = fields[field_name];
-            _.each(field.views, function (inner_fields_view) {
-                result = self._processFieldsView(inner_fields_view.arch, inner_fields_view.fields);
-                inner_fields_view.fieldAttrs = result.fieldAttrs;
-                inner_fields_view.fields = result.view_fields;
+        for (var fieldName in fields) {
+            var field = fields[fieldName];
+            _.each(field.views, function (innerFieldsView) {
+                result = self._processFieldsView(innerFieldsView.arch, innerFieldsView.fields);
+                innerFieldsView.fieldAttrs = result.fieldAttrs;
+                innerFieldsView.fields = result.view_fields;
             });
             if (field.type === 'one2many' || field.type === 'many2many') {
                 if (field.views && field.views.tree) {
@@ -114,7 +114,7 @@ var BasicView = AbstractView.extend({
      */
     _processFieldsView: function (arch, fields) {
         var self = this;
-        var view_fields = Object.create(null);
+        var viewFields = Object.create(null);
         var fieldAttrs = Object.create(null);
         traverse(arch, function (node) {
             if (typeof node === 'string') {
@@ -124,14 +124,14 @@ var BasicView = AbstractView.extend({
                 var attrs = node.attrs || {};
                 var field = _.extend({}, fields[node.attrs.name]);
                 self._processField(field, node, attrs);
-                view_fields[node.attrs.name] = field;
+                viewFields[node.attrs.name] = field;
                 fieldAttrs[node.attrs.name] = attrs;
                 return false;
             }
             return node.tag !== 'arch';
         });
         return {
-            view_fields: view_fields,
+            view_fields: viewFields,
             fieldAttrs: fieldAttrs,
         };
     },
diff --git a/addons/web/static/src/js/views/calendar/calendar_model.js b/addons/web/static/src/js/views/calendar/calendar_model.js
index 16ba9999ed0..55fce621a7c 100644
--- a/addons/web/static/src/js/views/calendar/calendar_model.js
+++ b/addons/web/static/src/js/views/calendar/calendar_model.js
@@ -331,7 +331,7 @@ return AbstractModel.extend({
      */
     _getFullCalendarOptions: function () {
         return {
-            defaultView: (this.mode == "month")? "month" : ((this.mode === "week")? "agendaWeek" : ((this.mode === "day")? "agendaDay" : "agendaWeek")),
+            defaultView: (this.mode === "month")? "month" : ((this.mode === "week")? "agendaWeek" : ((this.mode === "day")? "agendaDay" : "agendaWeek")),
             header: false,
             selectable: this.editable && this.create_right,
             selectHelper: true,
diff --git a/addons/web/static/src/js/views/form/form_controller.js b/addons/web/static/src/js/views/form/form_controller.js
index d1badda7993..c1824223849 100644
--- a/addons/web/static/src/js/views/form/form_controller.js
+++ b/addons/web/static/src/js/views/form/form_controller.js
@@ -179,19 +179,18 @@ var FormController = BasicController.extend({
         options = options || {};
         var stayInEdit = 'stayInEdit' in options ? options.stayInEdit : false;
         var shouldReload = 'reload' in options ? options.reload : true;
-        var db_id = this.handle;
-        if (!this.model.isDirty(db_id) && !this.model.isNew(db_id)) {
+        if (!this.model.isDirty(this.handle) && !this.model.isNew(this.handle)) {
             if (!stayInEdit) {
                 this._toReadOnlyMode();
             }
             return $.Deferred().resolve();
         } else {
-            var invalid_fields = this.renderer.checkInvalidFields();
-            if (invalid_fields.length) {
-                this._notifyInvalidFields(invalid_fields);
+            var invalidFields = this.renderer.checkInvalidFields();
+            if (invalidFields.length) {
+                this._notifyInvalidFields(invalidFields);
                 return $.Deferred().reject();
             } else {
-                return this.model.save(db_id, {reload: shouldReload})
+                return this.model.save(this.handle, {reload: shouldReload})
                     .then(function (element) {
                         if (!stayInEdit) {
                             self._toReadOnlyMode();
@@ -229,8 +228,7 @@ var FormController = BasicController.extend({
     _callButtonAction: function (attrs, record) {
         var self = this;
         var def = $.Deferred();
-        var db_id = this.handle;
-        record = record || this.model.get(db_id);
+        record = record || this.model.get(this.handle);
         var recordID = record.data.id;
         this.trigger_up('execute_action', {
             action_data: _.extend({}, attrs, {
diff --git a/addons/web/static/src/js/views/form/form_renderer.js b/addons/web/static/src/js/views/form/form_renderer.js
index 91887d45b5d..525e5a6da31 100644
--- a/addons/web/static/src/js/views/form/form_renderer.js
+++ b/addons/web/static/src/js/views/form/form_renderer.js
@@ -311,14 +311,14 @@ return BasicRenderer.extend({
     },
     _renderInnerField: function (node) {
         var field = this.state.fields[node.attrs.name];
-        var field_descr = node.attrs.string || field.string;
+        var fieldDescr = node.attrs.string || field.string;
         var hasLabel = !node.attrs.nolabel;
         var widget = this._renderFieldWidget(node);
         if (hasLabel) {
             var $label = $('<label>')
                             .addClass('o_form_label')
                             .attr('for', this._getIDForLabel(node.attrs.name))
-                            .text(field_descr);
+                            .text(fieldDescr);
             var isReadOnly = this.mode === 'readonly' || field.readonly;
             if (this.state.data.id && !widget.isSet() && isReadOnly) {
                 $label.addClass('o_form_label_empty');
@@ -356,8 +356,8 @@ return BasicRenderer.extend({
                 var label =  children[i];
                 // If there is a "for" attribute, we expect to have an id concerned in the next node.
                 if (label.attrs.for) {
-                    var linked_node = children[i+1];
-                    $result = this._renderInnerGroupLabel($result, label, linked_node);
+                    var linkedNode = children[i+1];
+                    $result = this._renderInnerGroupLabel($result, label, linkedNode);
                     i++; // Skip the rendering of the next node because we just did it.
                 } else {
                     $result = this._renderInnerGroupLabel($result, label);
@@ -369,10 +369,10 @@ return BasicRenderer.extend({
         }
         return $result;
     },
-    _renderInnerGroupLabel: function ($result, label, linked_node) {
+    _renderInnerGroupLabel: function ($result, label, linkedNode) {
         var $first = $('<td class="o_td_label">')
                     .append(this._renderNode(label));
-        var $second = linked_node ? $('<td>').append(this._renderNode(linked_node)) : $('<td>');
+        var $second = linkedNode ? $('<td>').append(this._renderNode(linkedNode)) : $('<td>');
         var $tr = $('<tr>').append($first).append($second);
         return $result.append($tr);
     },
@@ -464,10 +464,10 @@ return BasicRenderer.extend({
     },
     _renderTagGroup: function (node) {
         var self = this;
-        var is_outer_group = _.some(node.children, function (child) {
+        var isOuterGroup = _.some(node.children, function (child) {
             return child.tag === 'group';
         });
-        if (!is_outer_group) {
+        if (!isOuterGroup) {
             return this._renderInnerGroup(node);
         }
 
diff --git a/addons/web/static/src/js/views/kanban/kanban_column.js b/addons/web/static/src/js/views/kanban/kanban_column.js
index 1e010e1ab6d..062aa9d6ae2 100644
--- a/addons/web/static/src/js/views/kanban/kanban_column.js
+++ b/addons/web/static/src/js/views/kanban/kanban_column.js
@@ -15,7 +15,6 @@ var RecordQuickCreate = quick_create.RecordQuickCreate;
 
 var KanbanColumn = Widget.extend({
     template: "KanbanView.Group",
-
     events: {
         'click .o_column_edit': 'edit_column',
         'click .o_column_delete': 'delete_column',
@@ -25,14 +24,18 @@ var KanbanColumn = Widget.extend({
         'click .o_kanban_load_more': 'load_more',
         'click .o_kanban_toggle_fold': 'toggle_fold',
     },
-
     custom_events: {
         'kanban_record_delete': 'delete_record',
         'cancel_quick_create': 'cancel_quick_create',
         'quick_create_add_record': 'quick_create_add_record',
     },
-
-    init: function (parent, data, options, record_options) {
+    /**
+     * @param {any} parent
+     * @param {any} data
+     * @param {any} options
+     * @param {any} recordOptions
+     */
+    init: function (parent, data, options, recordOptions) {
         this._super(parent);
         this.db_id = data.id;
         this.data_records = data.data;
@@ -56,14 +59,14 @@ var KanbanColumn = Widget.extend({
         this.grouped_by_m2o = options.grouped_by_m2o;
         this.editable = options.editable;
         this.deletable = options.deletable;
-        this.draggable = record_options.draggable;
+        this.draggable = recordOptions.draggable;
         this.records_editable = options.records_editable;
         this.records_deletable = options.records_deletable;
         this.relation = options.relation;
         this.offset = 0;
         this.remaining = this.size - this.data_records.length;
 
-        this.record_options = _.extend(_.clone(record_options), {
+        this.record_options = _.extend(_.clone(recordOptions), {
             group_info: this.values,
         });
 
@@ -76,7 +79,9 @@ var KanbanColumn = Widget.extend({
             this.tooltip_info = "";
         }
     },
-
+    /**
+     * @returns {Deferred}
+     */
     start: function () {
         var self = this;
         this.$header = this.$('.o_kanban_header');
diff --git a/addons/web/static/src/js/views/list/list_editable_renderer.js b/addons/web/static/src/js/views/list/list_editable_renderer.js
index 85efc1b6d52..9d270ba3976 100644
--- a/addons/web/static/src/js/views/list/list_editable_renderer.js
+++ b/addons/web/static/src/js/views/list/list_editable_renderer.js
@@ -621,10 +621,10 @@ ListRenderer.include({
 
         // ignore clicks in modals, except if the list is in a modal, and the
         // click is performed in that modal
-        var $list_modal = this.$el.closest('.modal');
-        if ($list_modal.length) {
+        var $listModal = this.$el.closest('.modal');
+        if ($listModal.length) {
             var $click_modal = $(event.target).parents('.modal');
-            if ($click_modal.prop('id') === $list_modal.prop('id')) {
+            if ($click_modal.prop('id') === $listModal.prop('id')) {
                 return;
             }
         }
diff --git a/addons/web/static/src/js/views/list/list_renderer.js b/addons/web/static/src/js/views/list/list_renderer.js
index 997fed8747f..277600fc83b 100644
--- a/addons/web/static/src/js/views/list/list_renderer.js
+++ b/addons/web/static/src/js/views/list/list_renderer.js
@@ -358,10 +358,10 @@ var ListRenderer = BasicRenderer.extend({
      * @returns {jQueryElement} a <tr> element
      */
     _renderGroupRow: function (group) {
-        var aggregate_values = _.mapObject(group.aggregateValues, function (value) {
+        var aggregateValues = _.mapObject(group.aggregateValues, function (value) {
             return { value: value };
         });
-        var $cells = this._renderAggregateCells(aggregate_values);
+        var $cells = this._renderAggregateCells(aggregateValues);
         if (this.hasSelectors) {
             $cells.unshift($('<td>'));
         }