JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div></div>

JavaScript

$(document).ready(function() {
    $("div").html("<iframe id='test' src='http://google.com'></iframe>");  
           var x1=document.getElementById("test");
         var y1=(x1.contentWindow || x1.contentDocument);
       if (y1.document)y1=y1.document;
              x1.contentDocument.designMode = 'on';
         x1.contentDocument.close();    
       y1.body.innerHTML="test";
});