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@@ -0,0 +1,93 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+</head>
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+<body>
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+ <!--
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+ cookie 与 webStorage的区别
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+
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+ 1.cookie会与服务器交互(速度变慢);
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+ 2.cookie储存大小约4kb;
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+ 3.webStorage是把数据储存到客户端,不会和服务器交互,可随机获取(速度快);
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+ 4.webStorage储存大小是5MB,可储存的数据更大;
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+ 注意：webStorage就是为了弥补cookie的缺陷;
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+ 5.对于临时存储的数据使用sessionStorage更方便;
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+ 6.webStorage不参与服务器通信,储存在本地更安全;
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+ 7.webStorage中的键值对必须是字符串;使用时需要转JS对象;
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+
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+ -->
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+ <script>
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+ // document.cookie = "name='LiLi'";
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+ // 修改
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+ var date = new Date();
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+ date.setTime(date.getTime() + (5*24*60*60*1000))
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+ document.cookie = "name='111';expires=" + date;
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+ // console.log(date.toUTCString())
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+ // 删除
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+ var date1 = new Date();
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+ // toUTCString世界時
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+ document.cookie = 'password="123";expires=' + date1.toUTCString();
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+ // document.cookie = 'password="123"';
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+ // 设置
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+ // function setCookie(cname,cValue,cTime) {
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+ // var d = new Date();
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+ // d.setTime(d.getTime()+(cTime * 24 *60 *60*1000));
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+ // console.log(d,'d')
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+ // var expires = "expires=" + d.toGMTString();
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+
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+ // document.cookie=cname +"="+cValue+";"+expires;
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+ // }
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+ // setCookie("address",'1212',3)
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+ // 获取
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+ console.log(document.cookie,'cookie')
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+ // web Storage
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+ // 存放数据：
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+ // 1.localStorage.setItem("属性名");
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+ // 2.localStorage.属性名;
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+ // 3.localStorage["属性名"];
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+
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+ // 读取数据：
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+ // 1.localStorage.getItem("属性名");
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+ // 2.localStorage.属性名;
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+ // 3.localStorage["属性名"];
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+
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+ // 3.删除一条数据
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+ // 语法：localStorage.removeItem("属性名");
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+
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+ // 4.清除所有的数据
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+ // 语法：localStorage.clear();
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+
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+ // 5.得到某个索引的key;
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+ // 语法：localStorage.key(下标);//注意：下标是整数;
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+
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+
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+
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+ // 本地存储
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+ // localStorage
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+ localStorage.setItem("name",'lucy');
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+ localStorage.age = '10';
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+ localStorage['sex'] = '1';
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+
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+ console.log(localStorage.getItem("name"))
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+ console.log(localStorage.age)
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+ localStorage.removeItem("sex");
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+ console.log(localStorage['sex'])
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+
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+ localStorage.arr1 = {a: "A", city: "布加迪威龙", length: 2}
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+ console.log(localStorage.key(1.5))
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+
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+
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+
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+ // 会话存储
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+ // sessionStorage
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+ sessionStorage.setItem("name",'lucy');
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+ sessionStorage.age = '10';
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+ sessionStorage['sex'] = '1';
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+
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+ sessionStorage.clear();
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+ </script>
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+</body>
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+</html>
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