<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 ......
<!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>
<meta http-equiv="Content-Type" content="text/html;&n ......
