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<title>JavaScript小时倒计时代码</title>
<style>
body{font-family:"微软雅黑";font-size:22px;}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!--
var maxtime = 60*60 //1小时,按秒计算
function CountDown(){
if(maxtime>=0){
minutes = Math.floor(maxtime/60);
seconds = Math.floor(maxtime%60);
msg = "距离活动结束还有:"+minutes+"分"+seconds+"秒";
document.all["timer"].innerHTML=msg;
if(maxtime == 5*60) alert('注意,还有5分钟!');
--maxtime;
}
else{
clearInterval(timer);
alert("时间到,活动已结束!");
timer = setInterval("CountDown()",1000);
//-->
</SCRIPT>
<body><div id="timer" style="color:red">倒计时马上开始……</div></body>
CSS代码...
JS代码...
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