test6.html

<!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>
        // 设置cookie封装
        function setCookie(key, value, expires) {
            let now = new Date();
            now.setDate(now.getDate() + expires);
            document.cookie = `${key} = ${value}; expires= ${now.toUTCString()}`;
        };


        // 提取cookie封装
        function getCookie() {
            let obj = {};
            let cookies = document.cookie.split('; ');
            cookies.forEach(r => {
                let kv = r.split('=');
                let key = kv[0];
                let val = kv[1];
                obj[key] = val;
            });
            if (key) { return obj[key] }
            return obj
        }

        //删除cookie封装
        console.log(function removeCookie(key) {
            setCookie(key, null, -1)
        });
    </script>
</body>

</html>