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javascript控制cookies及在跳出本页给出提示，是否放弃操作！(3) } else {
/**//* this sets the value to true and nothing else will happen,
the user will be able to log on*/
document.Form1.cookieexists.value ="true"
}
}
/**//* Set a cookie to be sure that one exists.
Note that this is outside the function*/
document.cookie = 'killme' + escape('nothing')
</script>
<BODY onbeforeunload="RunOnBeforeUnload()" id="Posts">
<FORM Name="Form1" id="Form1">
<input type="text" name="cookieexists" value="false">
</FORM>
<a href="test.html">中微家校通</a>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
g_blnCheckUnload = true;
function RunOnBeforeUnload()
{
if (g_blnCheckUnload)
{
window.event.returnValue = 你确是要放弃操作吗？';
}
}
//-->
</SCRIPT>
2.html（简单的操作cookies）
<html>
<head>
<title> 新文档 </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="FLASHSoft">
<meta name="Keywords" content="">
<meta name="Description" content="FlashSoft">
<meta http-equiv="Content-Type" content="text/html;charset=gb2312">
</head>
<body>
<script language="JavaScript" type="Text/JavaScript">
<!--
// 实在懒得写了,为了减少字节量
//添加和获得都已经写好了,删除,你只要把时间改为-1就可以了,懒得封装了,实在无意义[代码moz兼容,值得一提,moz跟ie不是一个地方存cookie的]
function Cookie(){
this.SetValue=function(name,value,hours,path,domain,secure){
var str=new String();
var nextTime=new Date();
nextTime.setHours(nextTime.getHours()+hours);
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