JS存取Cookie值

一：存Cookie

 //存Cookie
 document.cookie = "id=" + escape(value);

　　

二：取Cookie

//提取Cookie值
    function getCookie(name) {
        //取出cookie   
        var strCookie = document.cookie;
        //cookie的保存格式是 分号加空格 "; "  
        var arrCookie = strCookie.split("; ");
        for (var i = 0; i < arrCookie.length; i++) {
            var arr = arrCookie[i].split("=");
            if (arr[0] == name) {
                return unescape(arr[1]);
            }
        }
        return "";
    }