JavaScript 每秒刷新时间显示（含年月日时分秒）

<span style="font-size:14px;"><!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<title>用js实现每隔一秒刷新时间(含年月日时分秒)</title>
<style>
#time{background:#33F;
   color:white;
	 height:30px;
	 line-height:30px;
	 padding:20px;
	 font-size:18px;
	 width:400px;
	 text-align:center;
	 margin:0 auto;
	 margin-top:200px;}
</style>
</head>
<body>
	<div id="time"></div>
	<script type="text/javascript"> 
	 setInterval(function(){
		 var time=new Date();
		 var year=time.getFullYear(); //获取年份
		 var month=time.getMonth()+1; //获取月份
		 var day=time.getDate();  //获取日期
		 var hour=checkTime(time.getHours());  //获取时
		 var minite=checkTime(time.getMinutes()); //获取分
		 var second=checkTime(time.getSeconds()); //获取秒
		 /****当时、分、秒、小于10时，则添加0****/
		 function checkTime(i){
			 if(i<10) return "0"+i;
			 return i;
		 }
		 var box=document.getElementById("time");
		 box.innerHTML=year+"年"+month+"月"+day+"日 "+hour+":"+minite+":"+second;		 
		},1000);   //setInterval(fn,i) 定时器，每隔i秒执行fn
</script>
</body>
</html></span><span style="font-size:32px;">
</span>