JS获取当前日期、星期、时间

<div id="getdate"></div>
<script>
function getCurDate(){
	 var d = new Date();
	 var week;
	 switch (d.getDay()){
		 case 1: week="星期一"; break;
		 case 2: week="星期二"; break;
		 case 3: week="星期三"; break;
		 case 4: week="星期四"; break;
		 case 5: week="星期五"; break;
		 case 6: week="星期六"; break;
		 default: week="星期天";
	 }
	 var years = d.getFullYear();
	 var month = add_zero(d.getMonth()+1);
	 var days = add_zero(d.getDate());
	 var hours = add_zero(d.getHours());
	 var minutes = add_zero(d.getMinutes());
	 var seconds=add_zero(d.getSeconds());
	 var ndate = years+"年"+month+"月"+days+"日 "+hours+":"+minutes+":"+seconds+" "+week;
	 getdate.innerHTML= ndate;
	}
	
	function add_zero(temp){
	 if(temp<10) return "0"+temp;
	 else return temp;
	}
	setInterval("getCurDate()",100);
</script><!-- 获取当前时间JS -->