JSFiddle - React, Tailwind, and code Playground

by ChrisStanyon

HTML

<div id="timer">
  <div class="wrapper1">
    <h2>05</h2>
  </div>
</div>

<div id="message">
  This is the message
</div>

CSS

#message { display: none; }

JavaScript

let countdown = 5;
  const interval = setInterval(() => {
    --countdown;
    
		document.getElementById('timer').firstElementChild.firstElementChild .innerHTML = countdown.toLocaleString('en-GB', {
    	minimumIntegerDigits: 2
    });

    if (countdown <= 0)
    {
        //window.location.replace("https://stanyon.co.uk");
        document.getElementById('timer').style.display = 'none';
        document.getElementById('message').style.display = 'block';
        
        clearInterval(interval);
    }
}, 1000);