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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" + " " + hh + ":" + MM + ":" + ss + " " + 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