3-16作业检查

来源：3-16 编程练习

ychao2

2022-10-09 23:14:09

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>:nth-child()</title>
    <style type="text/css">
        thead th:nth-child(odd){
            background-color: yellow;
        }
        thead th:nth-child(even){
            background-color: yellow;
        }
        tbody tr:nth-child(odd){
            color: orange;
        }
        tbody tr:nth-child(even){
            color:green;
        }
    </style>
</head>
<body>
    <table border="1" cellspacing="0" width="200">
        <thead>
            <tr>
                <th>序号</th>
                <th>姓名</th>
                <th>性别</th>
                <th>年纪</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>1</td>
                <td>张三</td>
                <td>男</td>
                <td>12</td>
            </tr>
            <tr>
                <td>2</td>
                <td>李四</td>
                <td>女</td>
                <td>11</td>
            </tr>
            <tr>
                <td>3</td>
                <td>赵五</td>
                <td>男</td>
                <td>12</td>
            </tr>
            <tr>
                <td>4</td>
                <td>王二</td>
                <td>男</td>
                <td>12</td>
            </tr>
        </tbody>  
    </table>
</body>
</html>

老师帮忙看下有没有哪里写的不规范或者可以更精简的地方

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