js 操作cookies

js 操作cookies

//JS操作cookies方法! //写cookies function setCookie(name,value) {     var Days = 30;     var exp = new Date();     exp.setTime(exp.getTime() + Days*24*60*60*1000);     document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString(); } //读取cookies function getCookie(name) {     var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");    if(arr=document.cookie.match(reg))        return unescape(arr[2]);     else         return null; } //删除cookies 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(); } //使用示例 setCookie("name","hayden"); alert(getCookie("name")); 

源地址 ：http://www.cnblogs.com/fishtreeyu/archive/2011/10/06/2200280.html