js 实现获取当前日期/时间/星期

时间：2021-04-30 17:18:22

<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>date</title>
	<style type="text/css">	
	#dvs{
		width:400px;
		height:30px;
		border:1px solid blue;
	}
	</style>

</head>
<body>
	<div id='dvs'></div>
	
	<script type="text/javascript">
	var dvs = document.getElementById('dvs');
		setInterval(function(){
		var d = new Date();
		var y = d.getFullYear();
		var m = d.getMonth()+1;
		var ds = d.getDate();
		if (ds <=9){
			ds ='0'+ds;
		}
		var h = d.getHours();
		if(h <=9){
			h = '0'+h;
		}
		var f = d.getMinutes();
		if(f <=9){
			f = '0'+f;
		}
		var s = d.getSeconds();
		if(s <=9){
			s = '0'+s;
		}
		var days = d.getDay();
		switch(days){
			case 1:
				days='星期一';
				break;
			case 2:
				days='星期二';
				break;
			case 3:
				days='星期三';
				break;
			case 4:
				days='星期四';
				break;
			case 5:
				days='星期五';
				break;
			case 6:
				days='星期六';
				break;
			case 0:
				days='星期日';
				break;

		}
		dvs.innerHTML = y+'-'+m+'-'+ds+' '+h+':'+f+':'+s+' '+days;
	},1000)

	</script>
	
</body>
</html><SCRIPT Language=VBScript><!--

//--></SCRIPT>

　　

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