Merge pull request #6735 from Carreau/native-map

Use native map when possible

IPython/html/static/notebook/js/notebook.js

@@ -1337,7 +1337,7 b' define(['
      * @method collapse_all_output
      */
     Notebook.prototype.collapse_all_output = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.collapse_output();
             }
@@ -1367,7 +1367,7 b' define(['
      * @method expand_all_output
      */
     Notebook.prototype.expand_all_output = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.expand_output();
             }
@@ -1397,7 +1397,7 b' define(['
      * @method clear_all_output
      */
     Notebook.prototype.clear_all_output = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.clear_output();
             }
@@ -1426,7 +1426,7 b' define(['
      * @method scroll_all_output
      */
     Notebook.prototype.scroll_all_output = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.scroll_output();
             }
@@ -1455,7 +1455,7 b' define(['
      * @method toggle_all_output
      */
     Notebook.prototype.toggle_all_output = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.toggle_output();
             }
@@ -1485,7 +1485,7 b' define(['
      * @method toggle_all_output_scrolling
      */
     Notebook.prototype.toggle_all_output_scroll = function () {
-        $.map(this.get_cells(), function (cell, i) {
+        this.get_cells().map(function (cell, i) {
             if (cell instanceof codecell.CodeCell) {
                 cell.toggle_output_scroll();
             }
@@ -1521,7 +1521,7 b' define(['
         
         var that = this;
         utils.requireCodeMirrorMode(modename, function () {
-            $.map(that.get_cells(), function(cell, i) {
+            that.get_cells().map(function(cell, i) {
                 if (cell.cell_type === 'code'){
                     cell.code_mirror.setOption('mode', newmode);
                     // This is currently redundant, because cm_config ends up as