下面是简化版(保存的时候只需要key和value),这个支持FF
但是,IE里存的数据在FF里取不到,同样FF里存的数据在IE里也取不到//两个参数,一个是cookie的名称,一个是值
function setCookie(name,value)
{
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}//读取cookies函数
function getCookie(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}//删除cookie
function delCookie(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
但是,IE里存的数据在FF里取不到,同样FF里存的数据在IE里也取不到//两个参数,一个是cookie的名称,一个是值
function setCookie(name,value)
{
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}//读取cookies函数
function getCookie(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}//删除cookie
function delCookie(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
function getCookie(name){
var search = name + "=";
if(document.cookie.length > 0){
var offset = document.cookie.indexOf(search);
if(offset != -1){
offset += search.length;
var end = document.cookie.indexOf(";", offset);
if(end == -1){end = document.cookie.length;};
return unescape(document.cookie.substring(offset, end));
}else {
return "";
}
}
return null;
}
/*写值到Cookie 中*/
function setCookie(name, value,savedays){
var today = new Date();
var expires = new Date();
var saveTime;
if(typeof savedays == "undefined"){
saveTime=30;
}else{
saveTime=savedays;
}
if(value instanceof Array){
value=value.join();
}
if(saveTime==0){
document.cookie = name + "=" + escape(value)+";";
}else{
expires.setTime(today.getTime() + 1000*60*60*24*Number(saveTime));
document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString();
}
return value;
}
第一次访问时无任何反应,于是设置cookie:key为“abc”,value为“测试内容”
以后访问时,由于cookie里有abc对应的数据,所以就alert“测试内容”
<script>
//两个参数,一个是cookie的名称,一个是值
function setCookie(name,value)
{
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}//读取cookies函数
function getCookie(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}//删除cookie
function delCookie(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}if(getCookie("abc")){
alert(getCookie("abc"));
}else{
setCookie("abc","测试内容");
}
</script>
<input type="button" onclick="delCookie('abc')" value="删除cookie">
看看是不是浏览器中禁用cookie了
检查下面三个:接受站点的cookie、接受第三方cookie、退出firefox时自动清除我的隐私数据