JSFiddle - React, Tailwind, and code Playground

HTML

<a  onclick="loadDoc(this,event)" href="http://fiddle.jshell.net/" >test </a>

<textarea columns="1000" rows="10" id="source"></textarea>

JavaScript

function loadDoc(obj,e)
{
e.preventDefault();
var xmlhttp;
url = obj.href;
//alert(url);
if (window.XMLHttpRequest)
  {
  xmlhttp=new XMLHttpRequest();
  }
else
  {
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
     //   alert(responseText);
    document.getElementById("source").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET",url,true);
xmlhttp.send();
}