【javascript】学习总结——动态时钟的实现代码

<mce:script type="text/javascript" language="javascript"><!--
	function ActiveClock(){
		var now=new Date();
		var hour=now.getHours();
		var minute=now.getMinutes();
		var second=now.getSeconds();
		var weekday=0;
		switch(now.getDay()){
			case 0:
				weekday="星期天";
				break;
			case 1:
				weekday="星期一";
				break;
			case 2:
				weekday="星期二";
				break;
			case 3:
				weekday="星期三";
				break;
			case 4:
				weekday="星期四";
				break;
			case 5:
				weekday="星期五";
				break;
			case 6:
				weekday="星期六";
				break;
		}
		if(second<10){
			second='0'+second;
		}
		if(minute<10){
			minute='0'+minute;
		} 
		if(hour<10){
			hour='0'+hour;
		}
		document.getElementById("time").value="现在时间："+hour+":"+minute+":"+second;
		setTimeout("ActiveClock()",1000);
	}
// --></mce:script>