版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Mr_Qin_AC/article/details/85606473
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>时钟</title>
</head>
<style>
div{
width: 500px;
height: 50px;
background: aqua;
margin:0 auto;
font-size: 20px;
color: chartreuse;
line-height: 50px;
text-align: center;
}
</style>
<body>
<div id="divid">
</div>
</body>
<script>
var divobj=document.getElementById("divid");
setInterval("settime()",1000);
function settime(){
var dd=new Date();
/*var y=dd.getFullYear();
var m=dd.getMonth()+1;
var d=dd.getDate();
var h=dd.getHours();
var f=dd.getMinutes();
var s=dd.getSeconds();
var t=y+"-"+m+"-"+d+" "+h+":"+f+":"+s;*/
var t=dd.toLocaleString();
divobj.innerHTML=t;
}
</script>
</html>