console 命令行工具 X clear
console
<!Doctype html>
<html>

<head>
    <meta http-equiv="Content-Type" content="test/html; charset=UTF-8" />
    <title>表格的表头</title>
</head>

<body>
    <table border="1">
        <caption>考试成绩表</caption>
        <th>姓名</th>
        <th>语文</th>
        <th>数学</th>
        <th>副科</th>
        <tr>
            <td>张三</td>
            <td>95</td>
            <td>76</td>
            <td>80</td>
        </tr>
        <tr>
            <td>李四</td>
            <td>88</td>
            <td>90</td>
            <td>85</td>
        </tr>
        <tr>
            <td>三毛</td>
            <td>80</td>
            <td>89</td>
            <td>90</td>
        </tr>
    </table>
</body>

</html>