<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<span></span>
</body>
<script>
var sp = document.getElementsByTagName("span")[0]
setInterval(function() {
// 获取当前本地时间
var dqsj = new Date()
// 获取结束时间
var jssj = new Date('2020/12/3 16:00:00')
var sysj = jssj - dqsj
// console.log(sysj)
// 获取剩余天数
var tian = parseInt(sysj / 1000 / 60 / 60 / 24)
// console.log(tian)
// 获取剩余小时
var shi = parseInt(sysj / 1000 / 60 / 60 % 24)
// console.log(shi)
// 获取剩余分钟
var fen = parseInt(sysj / 1000 / 60 % 60)
// console.log(fen)
// 获取剩余秒数
var miao = parseInt(sysj / 1000 % 60)
console.log(miao)
sp.innerHTML = "距离12月12日下午4点还有" + tian + "天" + shi + "小时" + fen + "分钟" + miao + "秒"
}, 1000)
</script>
</html>
js realizes the countdown function of common activities in the mall
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Origin blog.csdn.net/GongWei_/article/details/110442616
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