<script language="javascript" type="text/javascript">
var TempTime=new Date().getTime();
function StayTime(){
var NowTime=new Date().getTime();
var Time=NowTime-TempTime;
var Days=Math.floor(Time/(24*60*60*1000));
Time-=Days*24*60*60*1000;
var Hours=Math.floor(Time/(60*60*1000));
Time-=Hours*60*60*1000;
var Minutes=Math.floor(Time/(60*1000));
Time-=Minutes*60*1000;
var Seconds=Math.floor(Time/1000);
alert("您在本页面停留了："+String(Days)+"天"+String(Hours)+"时"+String(Minutes)+"分"+String(Seconds)+"秒");
}
</script>
<body onunload="StayTime();">
实例演示：http://www.fengyekun.com/Study_711.html
<a href='javascript:add();'>添加</a>
<a href='javascript:del();'>删除</a>
<table width=300 id=tbl>
<tr style='display:none;'><td>11111111111111</td></tr>
<tr style='display:none;'><td>22222222222222</td></tr>
<tr s ......
