jstree Example - Simple

HTML

<script src="http://static.jstree.com/3.0.0-beta3/assets/dist/jstree.min.js"></script>
<link rel="stylesheet" href="http://static.jstree.com/3.0.0-beta3/assets/dist/themes/default/style.min.css">
<div id="jstree">
    <ul>
        <li>Folder 1
            <ul>
               <li id="child_1">Child 1</li>
               <li>Child 2</li>
            </ul>
        </li>
        <li>Folder 2</li>
    </ul>
</div>

JavaScript

$(function () {
    $('#jstree').jstree();
});