<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="clock"></div>
<script>
function showTime(){
var now = new Date();
var y = now.getFullYear();
var m = now.getMonth() + 1;
var d = now.getDate();
var w = now.getDay();
var hour = now.getHours();
var min = now.getMinutes();
var sec = now.getSeconds();
var arrWeek = new Array("星期日 ", "星期一 ", "星期二 ", "星期三 ", "星期四 ", "星期五 ", "星期六 ");
var time = y+"年"+m+"月"+d+"日 "+arrWeek[w]+hour+"时"+min+"分"+sec+"秒";
var clock = document.getElementById('clock');
clock.innerHTML="当前时间"+time;
}
setInterval("showTime()",1000);
</script>
</body>
</html>
