计时器
<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title></title>
<style>#clock{
width:410px;
border:5px solid #F00;
padding:15px 10px;
background:#0F0;
margin:auto;
text-align: center;}
</style>
</head>
<body>
<script>
function sysTime(){
var now=new Date();
var year=now.getFullYear();
var month=now.getMonth()+1;
var day =now.getDay();
var date=now.getDate();
var hour=now.getHours();
var minute=now.getMinutes();
var second=now.getSeconds();
var week_Array=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var week=week_Array[day];
if(minute<10){
minute="0"+minute;
}
if(second<10){
second="0"+second;
}
var time =year+"年"+month+"月"+date+"日"+" "+hour+"时"+minute+"分"+second+"秒"+" "+week;
document.getElementById("clock").innerHTML="当前系统时间："+time;
}
window.onload=function(){
window.setInterval("sysTime()",1000);
}
</script>
<div id="clock"></div>
</body>
</html>
