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第一種：精確到秒的javas
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="javas
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)Javas
<script language="JavaS
<!--
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)Javas
<body on
<div id= LiveClock1></div>
</body>
第三種：小時(shí)倒計(jì)時(shí)
HTML代碼:
<SCRIPT LANGUAGE="JavaS
<!--
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="colo
