JSFiddle - React, Tailwind, and code Playground

by oceog

HTML

<iframe id="iframe0"></iframe>
<br>test

JavaScript

var script=document.createElement('script');
script.innerHTML='console.log(document.documentElement.offsetHeight + "px");parent.document.getElementById("iframe0").style.height =    document.documentElement.offsetHeight + "px";';
document.getElementById('iframe0').contentWindow.document.body.innerHTML="<div style='height: 300px;'>TEST</div>"

document.getElementById('iframe0').contentWindow.document.head.appendChild(script);