lovecoding
/
web0715


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var timer = new Date();
        // console.log(timer.getDate());
        timer.setDate(timer.getDate()+2)
        document.cookie = "username=小明;Expires="+timer.toUTCString();
        document.cookie = "password=123;Expires="+timer.toUTCString();
        document.cookie = "message=hello;Expires="+timer.toUTCString();
        console.log(document.cookie);
        var resArr = document.cookie.split(";");
        console.log(resArr[1].split("=")[0]);

        // 手动实现以下方法
        setCookie(key,val,2);

        getCookie(key);//返回一个cookie值

        delCookie(key);//只需要将时间设置为过期时间


    </script>
</body>
</html>