Fixed #872: error about deprecated function `unsubscribe`

HISTORY.md

@@ -2,6 +2,13 @@
 http://visjs.org
 
 
+## not yet released, version 4.0.1-SNAPSHOT
+
+### Timeline, Graph2d
+
+- Fixed #872: error about deprecated function `unsubscribe`.
+
+
 ## 2015-05-22, version 4.0.0
 
 ### General

lib/timeline/component/ItemSet.js

@@ -708,7 +708,7 @@ ItemSet.prototype.setGroups = function(groups) {
   // unsubscribe from current dataset
   if (this.groupsData) {
     util.forEach(this.groupListeners, function (callback, event) {
-      me.groupsData.unsubscribe(event, callback);
+      me.groupsData.off(event, callback);
     });
 
     // remove all drawn groups

lib/timeline/component/LineGraph.js

@@ -324,7 +324,7 @@ LineGraph.prototype.setGroups = function(groups) {
   // unsubscribe from current dataset
   if (this.groupsData) {
     util.forEach(this.groupListeners, function (callback, event) {
-      me.groupsData.unsubscribe(event, callback);
+      me.groupsData.off(event, callback);
     });
 
     // remove all drawn groups