老师，这样对吗

来源：2-7 编程练习

澄月

2020-06-15 22:08:09

<!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").mouseenter(function(){
                $(this).css({"color":"red","font-size":"32px"})
            });
            $("li").mouseleave(function(){
                $(this).css({"color":"black","font-size":"16px"})
            })
        })
    </script>
</body>
</html>

写回答

1回答