HTML/digital-clock.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Digital Clock</title>
    <style type="text/css">
    body{
        background:#000;

    }
    .clock{
        position: absolute;
        top:50%;
        left:50%;
        transform: translateX(-50%) translateY(-50%);
        color:white;
        font-size: 80px;
    }</style>
</head>
<body>
    <div id="Clock Display" class="clock"></div>
    <script type="text/javascript">
    function showTime(){
        var date=new Date();
        var h=date.getHours();
        var m=date.getMinutes();
        var s=date.getSeconds();

        var time=h +":" +m+ ":"+s;
        document.getElementById("Clock Display").innerText = time;
        document.getElementById("Clock Display").innerContent = time;
    }
    showTime();
    setInterval(showTime, 1000);
    
    </script>
</body>
</html>