JSFiddle - React, Tailwind, and code Playground

HTML

<div id='test'>hello</div>

<iframe id="myFrame" style="width: 100px; height: 100px;"></iframe>

JavaScript

var allMyCode = "<div id='test'>html code</div> <script type='text/javascript'>alert(document.getElementById('test').innerHTML);<\/script>";
$("#myFrame").contents().find("body").html(allMyCode);