网页定时器

//参考w3c资料自己编写

                       网页定时器(时钟的编写)
<html>
	 <head>
	 	 <title>28</title>
	 	  <script type="text/javascript">
		 	  function startTime(){
		 	   var today= new Date();
		 	   var y=today.getFullYear();
		 	   var mon=today.getMonth()+1;
		 	   var d=today.getDate();
		 	   var h=today.getHours();
		 	   var m=today.getMinutes();
		 	   var s=today.getSeconds();
		 	   mon=checkTime(mon);
		 	   d=checkTime(d);
		 	   m=checkTime(m);
		 	   s=checkTime(s);
			   document.getElementById("007").innerHTML=""+y+"年"+mon+"月"+d+"日"+" "+h+":"+m+":"+s;
		 	   t=setTimeout('startTime()',1000);
		 	  }
		 	  
		 	  function checkTime(i){
		 	    if(i<10)	
		 	  	  {i="0"+i;}
		 	  	return i;
		 	  }
		 	  
		</script>	
	</head>
	
	<body onload="startTime()">
		<div id="007" style="background:green;"></div>
	</body>
</html>

结果图:

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