请老师，检查，谢谢

来源：2-7 编程练习

qq_慕移动3101913

2019-11-13 14:48:33

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>习题</title>
    <style>
    </style>
</head>

<body>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
    </ul>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
    <script>
    //此处写代码
    $(document).ready(function(){
        $('li').hover(function(){
            $(this).css({'color':'red','font-size':'40px'});
        },function(){
            $(this).css({'color':'black','font-size':'16px'});
        })
    });
    </script>
</body>

</html>

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