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最全面的JS倒計(jì)時(shí)代碼

 更新時(shí)間：2016年09月17日 10:09:39   投稿：lijiao  
這篇文章主要為大家詳細(xì)介紹了最全面的JS倒計(jì)時(shí)代碼，文中示例代碼介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下

本文實(shí)例為大家分享了JS倒計(jì)時(shí)展示的具體代碼，供大家參考，具體內(nèi)容如下

第一種：精確到秒的javascript倒計(jì)時(shí)代碼  

HTML代碼:  

<form name="form1"> 
<div align="center" align="center"> 
<center>離2010年還有:<br> 
<input type="textarea" name="left" size="35" style="text-align: center"> 
</center> 
</div> 
</form> 
<script LANGUAGE="javascript"> 
startclock() 
var timerID = null; 
var timerRunning = false; 
function showtime() { 
Today = new Date(); 
var NowHour = Today.getHours(); 
var NowMinute = Today.getMinutes(); 
var NowMonth = Today.getMonth(); 
var NowDate = Today.getDate(); 
var NowYear = Today.getYear(); 
var NowSecond = Today.getSeconds(); 
if (NowYear <2000) 
NowYear=1900+NowYear; 
Today = null; 
Hourleft = 23 - NowHour 
Minuteleft = 59 - NowMinute 
Secondleft = 59 - NowSecond 
Yearleft = 2009 - NowYear 
Monthleft = 12 - NowMonth - 1 
Dateleft = 31 - NowDate 
if (Secondleft<0) 
{ 
Secondleft=60+Secondleft; 
Minuteleft=Minuteleft-1; 
} 
if (Minuteleft<0) 
{ 
Minuteleft=60+Minuteleft; 
Hourleft=Hourleft-1; 
} 
if (Hourleft<0) 
{ 
Hourleft=24+Hourleft; 
Dateleft=Dateleft-1; 
} 
if (Dateleft<0) 
{ 
Dateleft=31+Dateleft; 
Monthleft=Monthleft-1; 
} 
if (Monthleft<0) 
{ 
Monthleft=12+Monthleft; 
Yearleft=Yearleft-1; 
} 
Temp=Yearleft+'年, '+Monthleft+'月, '+Dateleft+'天, '+Hourleft+'小時(shí), '+Minuteleft+'分, '+Secondleft+'秒' 
document.form1.left.value=Temp; 
timerID = setTimeout("showtime()",1000); 
timerRunning = true; 
} 
var timerID = null; 
var timerRunning = false; 
function stopclock () { 
if(timerRunning) 
clearTimeout(timerID); 
timerRunning = false; 
} 
function startclock () { 
stopclock(); 
showtime(); 
} 
// --> 
</script>

第二種：某某運(yùn)動(dòng)會(huì)  

HTML代碼:   

<!--倒計(jì)時(shí)Javascript begin--> 
<script language="JavaScript"> 
<!-- 
function DigitalTime1() 
{ 
var deadline= new Date("08/13/2007") //開(kāi)幕倒計(jì)時(shí) 
var symbol="8月13日" 
var now = new Date() 
var diff = -480 - now.getTimezoneOffset() //是北京時(shí)間和當(dāng)?shù)貢r(shí)間的時(shí)間差 
var leave = (deadline.getTime() - now.getTime()) + diff*60000 
var day = Math.floor(leave / (1000 * 60 * 60 * 24)) 
var hour = Math.floor(leave / (1000*3600)) - (day * 24) 
var minute = Math.floor(leave / (1000*60)) - (day * 24 *60) - (hour * 60) 
var second = Math.floor(leave / (1000)) - (day * 24 *60*60) - (hour * 60 * 60) - (minute*60) 

var deadline_2= new Date("08/13/2004") //開(kāi)幕后計(jì)時(shí) 
var symbol_2="8月13日" 
var now_2 = new Date() 
var diff_2 = -480 - now.getTimezoneOffset() //是北京時(shí)間和當(dāng)?shù)貢r(shí)間的時(shí)間差 
var leave_2 = (now_2.getTime() - deadline_2.getTime()) + diff_2*60000 
var day_2 = Math.floor(leave_2 / (1000 * 60 * 60 * 24)) 
var hour_2 = Math.floor(leave_2 / (1000*3600)) - (day_2 * 24) 
var minute_2 = Math.floor(leave_2 / (1000*60)) - (day_2 * 24 *60) - (hour_2 * 60) 
var second_2 = Math.floor(leave_2 / (1000)) - (day_2 * 24 *60*60) - (hour_2 * 60 * 60) - (minute_2*60) 
 
day=day+1; 
day_2=day_2+1; 

if (day>0) //還未開(kāi)幕 
{ 
//LiveClock1.innerHTML = "現(xiàn)在"+symbol+"天" 
LiveClock1.innerHTML = "<font 
setTimeout("DigitalTime1()",1000) 
} 

if (day<0) //已經(jīng)開(kāi)幕 
{ 
//LiveClock1.innerHTML = "現(xiàn)在離"+symbol+"還有"+day+"天"+hour+"小時(shí)"+minute+"分"+second +"秒" 
LiveClock1.innerHTML = "<font 
setTimeout("DigitalTime1()",1000) 

} 

if (day==0) //正在開(kāi)幕 
{ 
//LiveClock1.innerHTML = "現(xiàn)在"+symbol+"天" 
LiveClock1.innerHTML = "<font 
setTimeout("DigitalTime1()",1000) 
} 

 
 
if (day<0 & day_2>19) //某某運(yùn)動(dòng)會(huì)結(jié)束 
{ 
//LiveClock1.innerHTML = "現(xiàn)在離"+symbol+"還有"+day+"天"+hour+"小時(shí)"+minute+"分"+second +"秒" 
LiveClock1.innerHTML = "<font 
setTimeout("DigitalTime1()",1000) 

} 

} 
// --> 
</script> 
<!--倒計(jì)時(shí)Javascript end--> 
<body onload=DigitalTime1()> 
<div id= LiveClock1></div> 

</body>

第三種：小時(shí)倒計(jì)時(shí)  

HTML代碼:   

<SCRIPT LANGUAGE="JavaScript"> 
<!-- 
var maxtime = 60*60 //一個(gè)小時(shí)，按秒計(jì)算，自己調(diào)整! 
function CountDown(){ 
if(maxtime>=0){ 
minutes = Math.floor(maxtime/60); 
seconds = Math.floor(maxtime%60); 
msg = "距離結(jié)束還有"+minutes+"分"+seconds+"秒"; 
document.all["timer"].innerHTML=msg; 
if(maxtime == 5*60) alert('注意，還有5分鐘!'); 
--maxtime; 
} 
else{ 
clearInterval(timer); 
alert("時(shí)間到，結(jié)束!"); 
} 
} 
timer = setInterval("CountDown()",1000); 
//--> 
</SCRIPT> 
<div id="timer" style="color:red"></div>

第四種：最簡(jiǎn)倒計(jì)時(shí)  

HTML代碼:   

<Script Language="JavaScript"> 
<!-- Begin 
　　var timedate= new Date("January 14,2006"); 
　　var times="研究生考試"; 
　　var now = new Date(); 
　　var date = timedate.getTime() - now.getTime(); 
　　var time = Math.floor(date / (1000 * 60 * 60 * 24)); 
　　if (time >= 0) ; 
document.write("<li><font color=#DEDBDE>現(xiàn)在離2006年"+times+"還有: <font color=#ffffff><b>"+time +"</b></font> 天</font></li>"); 
// End --> 
</Script>

第五種：最簡(jiǎn)倒計(jì)時(shí)二  

HTML代碼:   

<script language="JavaScript" type="text/javascript"> 
function djs(){ 
var urodz= new Date("11/12/2008");　 
var now = new Date(); 
var num 
var ile = urodz.getTime() - now.getTime();　　 
var dni = Math.floor(ile / (1000 * 60 * 60 * 24));　　 
if (dni >1)　　 
num=dni+1 
else if (dni == 1)　num=2　 
else if (dni == 0)　num=1 
else num=0　 
document.write(num)　　 
} 
</script>

距某某開(kāi)幕式還有 [<script language="JavaScript" type="text/javascript">djs()</script>] 天  

第六種：Javascript倒計(jì)時(shí)器 - 采用系統(tǒng)時(shí)間自校驗(yàn)  
這次利用系統(tǒng)時(shí)間自校驗(yàn)倒計(jì)時(shí), 無(wú)需手工調(diào)校使得倒計(jì)時(shí)更為精確, 代碼及詳細(xì)注釋如下:  

<span id="clock">00:01:11:00</span> 
<input id="startB" type="button" value="start countdown!" onclick="run()"> 
<input id="endB" type="button" value="stop countdown!" onclick="stop()"> 
<br> 
<input id="diff" type="text"> 
<input id="next" type="text"> 
<script language="Javascript"> 
/* This notice must be untouched at all times.

countdown.js v. 1.0 
The latest version is available at 
http://blog.csdn.net/yjgx007

Copyright (c) 2004 Xinyi.Chen. All rights reserved. 
Created 7/30/2004 by Xinyi.Chen. 
Web: http://blog.csdn.net/yjgx007 
E-Mail: chenxinyi1978@hotmail.com 
Last modified: 7/30/2004

This program is free software; 
you can redistribute it and/or modify it under the terms of the 
GNU General Public License as published by the Free Software Foundation;

See the GNU General Public License 
at http://www.gnu.org/copyleft/gpl.html for more details. 
*/ 
var normalelapse = 100; 
var nextelapse = normalelapse; 
var counter; 
var startTime; 
var start = clock.innerText; 
var finish = "00:00:00:00"; 
var timer = null; 

// 開(kāi)始運(yùn)行 
function run() { 
startB.disabled = true; 
endB.disabled = false; 
counter = 0; 
// 初始化開(kāi)始時(shí)間 
startTime = new Date().valueOf(); 

// nextelapse是定時(shí)時(shí)間, 初始時(shí)為100毫秒 
// 注意setInterval函數(shù): 時(shí)間逝去nextelapse(毫秒)后, onTimer才開(kāi)始執(zhí)行 
timer = window.setInterval("onTimer()", nextelapse); 
} 

// 停止運(yùn)行 
function stop() { 
startB.disabled = false; 
endB.disabled = true; 
window.clearTimeout(timer); 
} 

window.onload = function() { 
endB.disabled = true; 
} 

// 倒計(jì)時(shí)函數(shù) 
function onTimer() 
{ 

if (start == finish) 
{ 
window.clearInterval(timer); 
alert("time is up!"); 
return; 
} 

var hms = new String(start).split(":"); 
var ms = new Number(hms[3]); 
var s = new Number(hms[2]); 
var m = new Number(hms[1]); 
var h = new Number(hms[0]); 
 
ms -= 10; 
if (ms < 0) 
{ 
ms = 90; 
s -= 1; 
if (s < 0) 
{ 
 s = 59; 
 m -= 1; 
} 
 
if (m < 0) 
{ 
 m = 59; 
 h -= 1; 
} 
} 

var ms = ms < 10 ? ("0" + ms) : ms; 
var ss = s < 10 ? ("0" + s) : s; 
var sm = m < 10 ? ("0" + m) : m; 
var sh = h < 10 ? ("0" + h) : h; 

start = sh + ":" + sm + ":" + ss + ":" + ms; 
clock.innerText = start; 

// 清除上一次的定時(shí)器 
window.clearInterval(timer); 

// 自校驗(yàn)系統(tǒng)時(shí)間得到時(shí)間差, 并由此得到下次所啟動(dòng)的新定時(shí)器的時(shí)間nextelapse 
counter++; 
var counterSecs = counter * 100; 
var elapseSecs = new Date().valueOf() - startTime; 
var diffSecs = counterSecs - elapseSecs; 
nextelapse = normalelapse + diffSecs; 
diff.value = counterSecs + "-" + elapseSecs + "=" + diffSecs; 
next.value = "nextelapse = " + nextelapse; 
if (nextelapse < 0) nextelapse = 0; 

// 啟動(dòng)新的定時(shí)器 
timer = window.setInterval("onTimer()", nextelapse); 
} 
</script>

附加一個(gè)完整的倒計(jì)時(shí)和時(shí)間  復(fù)制即可使用  運(yùn)行的結(jié)果分別是： 

天 小時(shí) 分 秒 2013年01月22日 15:44:23 星期二

<html>
<head>
<title>倒計(jì)時(shí)測(cè)試</title>
 <script src="http://event.wushuangol.com/ShopClothes/Scripts/jquery-1.4.4.min.js" type="text/javascript"></script>
 
<script language="JavaScript">
 $(document).ready(function () {

<!-- 時(shí)間必須啟動(dòng) -->
 clockon();
 });

function clockon() {
 var now = new Date();
 var year = now.getFullYear(); //getFullYear getYear
 var month = now.getMonth();
 var date = now.getDate();
 var day = now.getDay();
 var hour = now.getHours();
 var minu = now.getMinutes();
 var sec = now.getSeconds();
 var week;
 month = month + 1;

 if (month < 10) month = "0" + month;
 if (date < 10) date = "0" + date;
 if (hour < 10) hour = "0" + hour;
 if (minu < 10) minu = "0" + minu;
 if (sec < 10) sec = "0" + sec;
 var arr_week = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
 week = arr_week[day];
 var time = "";

 time = year + "年" + month + "月" + date + "日" + " " + hour + ":" + minu + ":" + sec + " " + week;
 $("#bgclock").html(time);

 var timer = setTimeout("clockon()", 200);

}

<!-- 隱藏腳本從舊的瀏覽器
var DifferHour = -1
var DifferMinute = -1
var DifferSecond = -1
var Tday1 = new Date("Feb 11, 2013 00:00:00") //**倒計(jì)時(shí)時(shí)間-注意格式
var daysms = 24 * 60 * 60 * 1000
var hoursms = 60 * 60 * 1000
var Secondms = 60 * 1000
var microsecond = 1000
function clock()

{

 var time = new Date()
 var hour = time.getHours()
 var minute = time.getMinutes()
 var second = time.getSeconds()
 var timevalue = ""+((hour > 12) ? hour-12:hour)
 timevalue +=((minute < 10) ? ":0":":")+minute
 timevalue +=((second < 10) ? ":0":":")+second
 timevalue +=((hour >12 ) ? " PM":" AM")
 var convertHour = DifferHour
 var convertMinute = DifferMinute
 var convertSecond = DifferSecond
 var Diffms = Tday1.getTime() - time.getTime()
 DifferHour = Math.floor(Diffms / daysms)
 Diffms -= DifferHour * daysms
 DifferMinute = Math.floor(Diffms / hoursms)
 Diffms -= DifferMinute * hoursms
 DifferSecond = Math.floor(Diffms / Secondms)
 Diffms -= DifferSecond * Secondms

 var dSecs = Math.floor(Diffms / microsecond)
 if(convertHour != DifferHour) document.formnow.dd.value=DifferHour
 if(convertMinute != DifferMinute) document.formnow.hh.value=DifferMinute
 if(convertSecond != DifferSecond) document.formnow.mm.value=DifferSecond

 document.formnow.ss.value=dSecs
 document.formnow.ss.value=dSecs
// document.formnow.Tnow.value= DifferHour DifferMinute + DifferSecond + dSecs

setTimeout("clock()",1000)

}

//

隱藏-->
</script>
</head>

<body onload="clock();return true" >

<!--顯示出內(nèi)容-->
<form name="formnow">
<input name="dd" type="text" style="border:0;" size=2>
天
<input name="hh" type="text" style="border:0;" size=2>
小時(shí)
<input name="mm" type="text" style="border:0;" size=2>
分
<input name="ss" type="text" style="border:0;" size=2>
秒
<span id="bgclock" style="float:right;padding-right:10px; padding-top:2px;text="red""></span>
</form>

<!--倒計(jì)時(shí)完畢啦-->

</body>

</html>

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。<

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