JSFiddle - React, Tailwind, and code Playground

by tangphillip

HTML

<head>
    <title>Firefox display:none; and $('iframe div').height() testing</title>
</head>

<!-- This onload happens after the iframe loads, so all code in iframe.html 
     runs before the reveal.-->
<body onload='reveal();'>
    <iframe src="iframe.html"></iframe>
</body>

CSS

iframe {
    display:none;
}

JavaScript

function reveal() {
    document.getElementsByTagName('iframe')[0].style.display = 'inline';
}