JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.blockUI/2.70/jquery.blockUI.js"></script>
</head>
<body>  
  <a href="javascript:void" onclick="teste()">Link</a>
</body>
</html>

JavaScript

function teste() {
  $.blockUI({ message: 'Aguarde...' }); 
  window.location.href = 'https://jsfiddle.net/user/login/';
}