lovecoding
/
Web1020


			
				
					
						
						
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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>
        //创建cookie
        let timer = new Date();
        timer.setDate(timer.getDate()+3);
        document.cookie = "username=zhangsan;expires="+timer.toUTCString();
        document.cookie = "age=18;expires="+timer.toUTCString();
        document.cookie = "sex=man;expires="+timer.toUTCString();
        //获取cookie
        console.log(document.cookie);
        // 删除cookie
        timer.setDate(timer.getDate()-10);
        document.cookie = "username=;expires="+timer.toUTCString();
    
        // 实现以下方法
        setCookie("username","zhangsan",3);//设置cookie 三个参数 第一个是cookie名 第二个是cookie值 第三个是过期时间
        getCookie("username");//获取cookie
        removeCookie("username");//删除cookie
    </script>
</body>
</html>