<!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>Document</title>
</head>
<body>
<h1 id="time"></h1>
<script>
function showdata(){
var now=new Date()
var hour=now.getHours()
var minute=now.getMinutes()
var second=now.getSeconds()
return `${hour}:${minute}:${second}`
}
setInterval(() => {
var d=showdata()
// console.log(d);
time.innerHTML=d
}, 1000);
</script>
</body>
</html>