老师，这样是对的吗?

来源：2-7 编程练习

李可意

2019-06-13 16:02:30

<!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':'30px'})
        },function(){
            $(this).css({'color':'#000','font-size':'16px'})
        });
    });
    </script>
</body>
</html>

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