JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdn.kendostatic.com/2012.2.710/js/kendo.all.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.metro.min.css">
<div id="window"></div>

JavaScript

var win = $("#window").kendoWindow({
        content: {
            url: "/testing-post",
            type: "POST",
            data: { q: "search terms" }
        },
        iframe: true
    }).data("kendoWindow");
    
win.center().open();