如何在网页上做一个时间倒计时!

Question

view-source:http://www.registermessage.com/msdn_comment/或者http://www.baidu.com/baidu?tn=myie2dg&ct=0&ie=gb2312&bs=%B5%B9%BC%C6%CA%B1&sr=&z=&word=%B5%B9%BC%C6%CA%B1+javascript&cl=3&f=8

Answer 1

<span id="liveclock" style"=width: 109px; height: 15px"></span>
<SCRIPT language=javascript>
function www_helpor_net()
{
var Digital=new Date()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var seconds=Digital.getSeconds()if(minutes<=9)
minutes="0"+minutes
if(seconds<=9)
seconds="0"+seconds
myclock="现在时刻：<font size='5' face='Arial black'>"+hours+":"+minutes+":"+seconds+"</font>"
if(document.layers){document.layers.liveclock.document.write(myclock)
document.layers.liveclock.document.close()
}else if(document.all)
liveclock.innerHTML=myclock
setTimeout("www_helpor_net()",1000)
}
www_helpor_net();
//-->
</SCRIPT>