直接上代码，肯定是你想要的
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>Home</title>
</head>
<body>
<div style="text-align:center">
<p>
timer : <span id = 'timer'></span>
</p>
</div>
<script>
// 还剩几秒
var globalTimer = 6*24*60*60;
if(globalTimer > 0){
timer();
}
function timer(){
var ds = 24*60*60;
var hs = 60*60;
var ms = 60;
var time= globalTimer;
var day=Math.floor(time/ds);
var hour=Math.floor(time%ds/hs);
var minute=Math.floor(time%hs/ms);
var second=Math.floor(time%ms);
if(day<=9){
day="0"+day;
}
if(hour<=9){
hour="0"+hour;
}
if(minute<=9){
minute="0"+minute;
}
if(second<=9){
second="0"+second;
}
if(day == '00' && hour == '00' && minute == '00' && second == '00'){
var date = "倒计时结束";
}else{
var date = "还剩 "+day+" 天 "+hour+" 时 "+minute+" 分 "+second+" 秒";
globalCount--;
setTimeout("timer()",1000);
}
document.getElementById("timer").innerHTML = date;
}
</script>
</body>
</html>
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