老师，请检查代码，谢谢

来源：2-4 编程练习

Moomin6

2019-06-03 23:17:03

<!DOCTYPE html>
<html><head>
    <meta charset="UTF-8">
    <title>习题</title>
    <style type="text/css">
    div {
        width: 200px;
        height: 200px;
        border: 1px solid red;
        text-align: center;
        line-height: 200px;
    }
    </style>
</head><body>
    <div>背景颜色为白色</div>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
    <script>
    //此处写代码
    $(document).ready(function(){
        $("div").mousedown(function(){
            $(this).css('background-color','red').text("背景颜色为红色");
        });
        $('div').mouseup(function(){
            $(this).css('background-color','yellow').text("背景颜色为黄色");
        })
    })
    </script>
</body>
</html>