<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<script>
//cookie 的默认时间是，浏览器窗口关闭后失效
function setCookit(name,value,iDay) {
var oDate=new Date();
oDate.setDate(oDate.getDate()+iDay);
document.cookie=name+"="+value+";expires="+oDate;
}
function getCookie(name) {
var arr=document.cookie.split("; ");
for(var i=0;i<arr.length;i++){
var arr2=arr[i].split("=");
if(arr2[0]==name){
return arr2[1];
}
}
return "";
}
function delCookie(name) {
setCookit(name,"1",-1);
//借助设置Cookie ，把到期时间设置到昨天
}
setCookit("sk","jjj",3)
;</script>
<body >
<div id="div1"></div>
</body>
</html>
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