JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.default.min.css">
<script src="http://cdn.kendostatic.com/2012.1.322/js/kendo.all.min.js"></script>
<html>
<body>
    Hello
    <div id="chart"></div>

     
</body>
</html>

JavaScript

$(document).ready(function() {

    $('#chart').kendoPanelBar();
    
    $('#chart').data('kendoPanelBar').append({content: '<div>asdf</div>');        

});