JSFiddle - React, Tailwind, and code Playground

HTML

<iframe id="ifr" src="http://jsfiddle.net/tangphillip/SJACn/show"></iframe>

CSS

iframe {
    display:none;
}

JavaScript

function reveal() {
    ifr.style.display = 'inline';
}
var ifr = document.getElementById("ifr");
ifr.onload = setTimeout( function() { reveal(); }, 1000 );