js倒计时代码:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>js倒计时代码 - k686绿色软件 - http://www.k686.com</title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="k686绿色软件 http://www.k686.com">
<meta name="Keywords" content="绿色软件">
<meta name="Description" content="绿色软件">
</head>
<body>
k686绿色软件 - http://www.k686.com
<script>
function countDown( maxtime,fn )
{
var timer = setInterval(function()
{
if(maxtime>=0){
minutes = Math.floor(maxtime/60);
seconds = Math.floor(maxtime%60);
msg = "距离结束还有"+minutes+"分"+seconds+"秒";
fn( msg );
if(maxtime == 5*60) alert('注意,还有5分钟!');
--maxtime;
}
else{
clearInterval( timer );
fn("时间到,结束!");
}
}, 1000);
}
</script>
<div id="timer1" style="color:red"></div>
<div id="timer2" style="color:red"></div>
<script>
countDown( 6,function( msg )
{
document.getElementById('timer1').innerHTML = msg;
});
countDown( 6000,function( msg )
{
document.getElementById('timer2').innerHTML = msg;
})
</script>
</body>
</html>
忠心感谢来自56484577Q群的wait提供的代码: http://waitdemos.googlecode.com/svn/trunk/tdemos/countDown.html
此代码的优点在于调用时可不用对功能代码做任何修改.需要显示的地方设定容器id,然后输出一小段代码,一个页面无限制倒计时个数:
countDown( 6,function( msg )
{
document.getElementById('timer1').innerHTML = msg;
});
就可以了.
下面一段代码是来自同一个交流群的大神Vilic优化简写后的代码,在此一并表示感谢:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=" http://www.w3.org/1999/xhtml">
<head>
<title>Timer - by Vilic JavaScriptQQ交流群56484577</title>
</head>
<body>
<div id="timer1"></div>
<div id="timer2"></div>
<div id="timer3"></div>
</body>
<script type="text/javascript">
var addTimer = function () {
var list = [],
interval;
return function (id, time) {
if (!interval)
interval = setInterval(go, 1000);
list.push({ ele: document.getElementById(id), time: time });
}
function go() {
for (var i = 0; i < list.length; i++) {
list[i].ele.innerHTML = getTimerString(list[i].time ? list[i].time -= 1 : 0);
if (!list[i].time)
list.splice(i--, 1);
}
}
function getTimerString(time) {
var not0 = !!time,
d = Math.floor(time / 86400),
h = Math.floor((time %= 86400) / 3600),
m = Math.floor((time %= 3600) / 60),
s = time % 60;
if (not0)
return "还有" + d + "天" + h + "小时" + m + "分" + s + "秒";
else return "时间到";
}
} ();
addTimer("timer1", 12);
addTimer("timer2", 10);
addTimer("timer3", 13);
</script>
</html>