javascript读写cookie js中cookie的存取

//1.js保存cookie值到浏览器
var stringValue="";//需要存的数据
var oDate = new Date();
oDate.setTime(oDate.getTime() + 1* 24 * 60 * 60 * 1000);//设置过期时间
var cookieString = "CookieName=" + stringValue + ";expires='" + oDate.toGMTString() + ";path=/";
document.cookie = cookieString;//存cookie//2.js获取cookie值
var cookieId = getCookie("CookieParentId");//取cookie
function getCookie(objName){//获取指定名称的cookie的值 
    var arrStr = document.cookie.split("; "); 
    for (var i = 0; i < arrStr.length; i++) { 
        var temp = arrStr[i].split("="); 
        if (temp[0] == objName){ 
            return decodeURI(temp[1]); 
        }
    } 
}