JSFiddle - React, Tailwind, and code Playground

HTML

<iframe src="fiddle.jshell.net" width="100%" height="100%" id="if"></iframe>

CSS

html, body {height:100%;}

JavaScript

var ifrmame = document.getElementById('if');
var a = ifrmame.contentWindow.document.getElementsByTagName('a');
for (var i=0;i< a.length;i++) { 
    a[i].href = 'http://jsfiddle.net/2XXxW/4/';
    a[i].innerHTML = 'link ' + i + ' href updated';
    a[i].style.color = 'red';
}