Update sample-3rd-jQuery-contextMenu.html

Author: mar10

CHANGELOG.md

@@ -1,5 +1,4 @@
 # 2.34.0-0 / Unreleased
-  * TODO: tree.hasFocus() more reliable.
   * [DEPRECATED] jQuery UI widget methods:
     Use `tree.METHOD()` instead of `$().fancytree("METHOD")`.
   * [Added] `tree.debugTime()`, `tree.debugTimeEnd()` for debugging.

demo/sample-3rd-jQuery-contextMenu.html

@@ -13,8 +13,8 @@
 
 	<!-- jquery-contextmenu (https://github.com/swisnl/jQuery-contextMenu) -->
 	<link rel="stylesheet"
-		href="//cdn.jsdelivr.net/npm/jquery-contextmenu@2.6.4/dist/jquery.contextMenu.min.css" />
-	<script src="//cdn.jsdelivr.net/npm/jquery-contextmenu@2.6.4/dist/jquery.contextMenu.min.js">
+		href="//cdn.jsdelivr.net/npm/jquery-contextmenu@2.9.0/dist/jquery.contextMenu.min.css" />
+	<script src="//cdn.jsdelivr.net/npm/jquery-contextmenu@2.9.0/dist/jquery.contextMenu.min.js">
 	</script>
 	<!-- Start_Exclude: This block is not part of the sample code -->
 	<link href="../lib/prettify.css" rel="stylesheet">
@@ -30,6 +30,8 @@
 	$(function() {
 		$("#tree").fancytree({
 			extensions: [],
+			// checkbox: true,
+			// selectMode: 2,
 			source: {
 				url: "ajax-tree-plain.json"
 			},