js cookie操作的示例分析

这篇文章主要介绍了js cookie操作的示例分析，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

cookieObj=function(){}
cookieObj.prototype.clearCookie = function() {
var now = new Date();
var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
this.setCookie('co'+this.obj, 'cookieValue', yesterday);
this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
};

// [Cookie] Sets value in a cookie
cookieObj.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
[xss_clean] =
escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; expires=' + expires.toGMTString() : '')
+ (path ? '; path=' + path : '')
+ (domain ? '; domain=' + domain : '')
+ (secure ? '; secure' : '');
};

// [Cookie] Gets a value from a cookie

cookieObj.prototype.getCookie = function(cookieName) {
var cookieValue = '';
var posName = [xss_clean].indexOf(escape(cookieName) + '=');
if (posName != -1) {
var posValue = posName + (escape(cookieName) + '=').length;
var endPos = [xss_clean].indexOf(';', posValue);
if (endPos != -1) cookieValue = unescape([xss_clean].substring(posValue, endPos));
else cookieValue = unescape([xss_clean].substring(posValue));
}
return (cookieValue);
};

// [Cookie] Returns ids of open nodes as a string
dTree.prototype.updateCookie = function() {
var str = '';
//找到需要修改的key值key
this.setCookie('co' +key , str);
};

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