JSFiddle - React, Tailwind, and code Playground

by shengt

HTML

<div>
<iframe id="fr" src="http://fiddle.jshell.net/"></iframe>
<span id="msg"></span>
</div>

JavaScript

var ifr = $('#fr'),
    doc = ifr[0].contentDocument || ifr[0].contentWindow.document;
console.debug(doc);
$('#msg').text($(doc).find(':visible').length);