<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href=
"jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript"
src="scripts/jquery-1.11.1.min.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxcore.js"></script>
<script type="text/javascript"
src="jqwidgets/jqx-all.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxbuttons.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxscrollbar.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxpanel.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxtree.js"></script>
<style>
h1,
h3 {
text-align: center;
}
#jqxTree {
width: 100%;
margin: 0 auto;
}
</style>
</head>
<body>
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxTree addAfter() Method
</h3>
<div id='jqxTree'>
<ul>
<li item-selected='true'>
GeeksforGeeks
</li>
<li>Programming
<ul>
<li>C</li>
<li>C++</li>
<li>Java</li>
<li>Python</li>
</ul>
</li>
<li>Web Technology
<ul>
<li>HTML</li>
<li>CSS</li>
<li>JavaScript</li>
<li>jQuery</li>
<li>PHP</li>
</ul>
</li>
</ul>
</div>
<center>
<input type="button" id="jqxBtn"
value="Add Item"
style="padding: 5px 15px; margin-top: 20px;">
</center>
<script type="text/javascript">
$(document).ready(function() {
$('#jqxTree').jqxTree({
width: '350px',
height: '250px'
});
});
$("#jqxBtn").on('click', function() {
var Items = $("#jqxTree").jqxTree('getItems');
var first_Item = Items[0];
var first_Item_Element = first_Item.element;
$('#jqxTree').jqxTree('addAfter', {
label: 'New GeeksforGeeks'
}, first_Item_Element);
});
</script>
</body>
</html>