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【原生JS】原生JS 動态擷取本地時間

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<!DOCTYPE html>
<html >

	<head>
	    <meta charset="UTF-8">
	
	    <title>Document</title>
	    <style>
	        #box {
	            font-size: 50px;
	            color: red;
	        }
	    </style>
	</head>
	
	<body>
	    <div id="box"></div>
	    <script>
	        function getToday() {
	            var week = ["星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
	            var box = document.getElementById("box");
	            var today = new Date();
	
	            var yy = today.getFullYear(); //年
	
	            var mm = todouble(today.getMonth() + 1); //月,從0開始,0代表1月份
	
	            var dd = todouble(today.getDate());//日
	
	            var hh = todouble(today.getHours());//時
	
	            var MM = todouble(today.getMinutes());//分
	
	            var ss = todouble(today.getSeconds());//秒
	
	            var ee = today.getDay();//星期。從0開始,0代表周日
	
	            var dddd = yy + "年" + mm + "月" + dd + "日" + "&nbsp;&nbsp;" + hh + ":" + MM + ":" + ss + "&nbsp;&nbsp;" + week[ee];
	
	            box.innerHTML = dddd;
	        }
	        
	        getToday();
	        var timer = setInterval(getToday, 1000);
	
	        function todouble(n) {
	            return n < 10 ? "0" + n : "" + n;
	        }
	
	    </script>
	</body>

</html>
           
【原生JS】原生JS 動态擷取本地時間