js 实现获取当前日期/时间/星期

时间：2021-02-21 06:47:21
<!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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