Fixed #284: Fixed the `id` field of a new item not correctly generated.

HISTORY.md

@@ -18,6 +18,7 @@ http://visjs.org
 
 - Fixed moment.js url in localization example.
 - Fixed `className` of groups not being updated when changed.
+- Fixed the `id` field of a new item not correctly generated.
 
 
 ## 2014-08-29, version 3.3.0

dist/vis.js

@@ -10882,7 +10882,7 @@ return /******/ (function(modules) { // webpackBootstrap
         newItem.end = snap ? snap(end) : end;
       }
 
-      newItem[this.itemsData.fieldId] = util.randomUUID();
+      newItem[this.itemsData._fieldId] = util.randomUUID();
 
       var group = ItemSet.groupFromTarget(event);
       if (group) {

lib/timeline/component/ItemSet.js

@@ -1314,7 +1314,7 @@ ItemSet.prototype._onAddItem = function (event) {
       newItem.end = snap ? snap(end) : end;
     }
 
-    newItem[this.itemsData.fieldId] = util.randomUUID();
+    newItem[this.itemsData._fieldId] = util.randomUUID();
 
     var group = ItemSet.groupFromTarget(event);
     if (group) {