Replaced all `arr instanceof Array` with `Array.isArray(arr)`

lib/network/Network.js

@@ -1341,7 +1341,7 @@ Network.prototype._setNodes = function(nodes) {
   if (nodes instanceof DataSet || nodes instanceof DataView) {
     this.nodesData = nodes;
   }
-  else if (nodes instanceof Array) {
+  else if (Array.isArray(nodes)) {
     this.nodesData = new DataSet();
     this.nodesData.add(nodes);
   }
@@ -1472,7 +1472,7 @@ Network.prototype._setEdges = function(edges) {
   if (edges instanceof DataSet || edges instanceof DataView) {
     this.edgesData = edges;
   }
-  else if (edges instanceof Array) {
+  else if (Array.isArray(edges)) {
     this.edgesData = new DataSet();
     this.edgesData.add(edges);
   }

lib/network/dotparser.js

@@ -700,9 +700,9 @@ function chop (text, maxLength) {
  * @param {function} fn
  */
 function forEach2(array1, array2, fn) {
-  if (array1 instanceof Array) {
+  if (Array.isArray(array1)) {
     array1.forEach(function (elem1) {
-      if (array2 instanceof Array) {
+      if (Array.isArray(array2)) {
         array2.forEach(function (elem2)  {
           fn(elem1, elem2);
         });
@@ -713,7 +713,7 @@ function forEach2(array1, array2, fn) {
     });
   }
   else {
-    if (array2 instanceof Array) {
+    if (Array.isArray(array2)) {
       array2.forEach(function (elem2)  {
         fn(array1, elem2);
       });

lib/network/mixins/physics/PhysicsMixin.js

@@ -689,7 +689,7 @@ function showValueOfRange (id,map,constantsVariableName) {
   var valueId = id + "_value";
   var rangeValue = document.getElementById(id).value;
 
-  if (map instanceof Array) {
+  if (Array.isArray(map)) {
     document.getElementById(valueId).value = map[parseInt(rangeValue)];
     this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]);
   }

lib/timeline/Graph2d.js

@@ -20,7 +20,7 @@ var LineGraph = require('./component/LineGraph');
  */
 function Graph2d (container, items, groups, options) {
   // if the third element is options, the forth is groups (optionally);
-  if (!(groups instanceof Array || groups instanceof DataSet) && groups instanceof Object) {
+  if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) {
     var forthArgument = options;
     options = groups;
     groups = forthArgument;

lib/timeline/Timeline.js

@@ -24,7 +24,7 @@ function Timeline (container, items, groups, options) {
   }
 
   // if the third element is options, the forth is groups (optionally);
-  if (!(groups instanceof Array || groups instanceof DataSet) && groups instanceof Object) {
+  if (!(Array.isArray(groups) || groups instanceof DataSet) && groups instanceof Object) {
     var forthArgument = options;
     options = groups;
     groups = forthArgument;

lib/util.js

@@ -426,7 +426,7 @@ exports.getType = function(object) {
     if (object instanceof String) {
       return 'String';
     }
-    if (object instanceof Array) {
+    if (Array.isArray(object)) {
       return 'Array';
     }
     if (object instanceof Date) {
@@ -506,7 +506,7 @@ exports.removeClassName = function(elem, className) {
 exports.forEach = function(object, callback) {
   var i,
       len;
-  if (object instanceof Array) {
+  if (Array.isArray(object)) {
     // array
     for (i = 0, len = object.length; i < len; i++) {
       callback(object[i], i, object);