JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-latest.js"></script>
Width: <input id="width" type="text" /> <br/><br/>
Height: <input id="height" type="text" /> <br/><br/>
Content: <input id="content" type="text" /><br/><br/>
<button id="go">Go</button><br/><br/>
<textarea id="code" cols="30" rows="10" ></textarea>

JavaScript

document.getElementById("go").onclick = function() {
    document.getElementById("code").innerHTML = "<div style='width:" + document.getElementById("width").value+ "; height:" + document.getElementById("height").value + ";'>" + document.getElementById("content").value + "</div>";
};