JSFiddle - React, Tailwind, and code Playground

HTML

<div id="page">
  <div id="content">

    <div id='commentLoader' style="width: 500px;">
        <iframe id="commentIframe" src="http://www.amazon.com" style="border-style: none; width: 100%; height: 100%"></iframe>
    </div>
  </div>
</div>

JavaScript

$('iframe').load(function() {
    setTimeout(iResize, 50);
    // Safari and Opera need a kick-start.
    var iSource = document.getElementById('commentIframe').src;
    document.getElementById('commentIframe').src = '';
    document.getElementById('commentIframe').src = iSource;
});
function iResize() {
    document.getElementById('commentIframe').style.height = 
    document.getElementById('commentIframe').contentWindow.document.body.offsetHeight + 'px';
}