<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>显示时间</title>
</head>
<body>
<div id="time"></div>
<script>
function showTime() {
var date = new Date();
// 年月日
var year = date.getFullYear();
var month = date.getMonth() + 1;
var day = date.getDate();
// 时分秒
var hour = date.getHours();
var minute = date.getMinutes();
var second = date.getSeconds();
// 实时显示
var element = document.getElementById('time');
element.innerHTML = '<h1>' + year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second;
}
setInterval('showTime()', 1000);
</script>
</body>
</html>
原文出处：https://blog.csdn.net/HerryDong/article/details/103530019
标签：实时,month,date,second,year,var,js,转载 From： https://www.cnblogs.com/coding8832/p/17898896.html