<div id=”divdown1″> </div>
<script language=”JavaScript” type=”text/javascript”>
var interval = 1000;
var timeCount=15;
window.setInterval(function(){timeCountdown(“divdown1”);},1000);
function timeCountdown(divname){
var cc = document.getElementById(divname);
if(timeCount>0){
timeCount=timeCount-1;
}
cc.innerhtml =”还有 “+timeCount+” 秒”;
return timeCount;
}
</script> 本文链接http://www.cxybl.com/html/wyzz/JavaScript_Ajax/20130508/37583.html
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