<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>常见文本标签</title>
</head>
<body>
    <h1>一级标题标签</h1>
    <h2>二级标题标签</h2>
    <h3>三级标题标签</h3>
    <h4>四级标题标签</h4>
    <h5>五级标题标签</h5>
    <h6>六级标题标签</h6>
    <p>这是一个段落标签 <b>加粗</b>、<i>斜体</i>、<u>下划线</u>、<s>删除线</s></p>

    <ul>
        <li>无序列表元素1</li>
        <li>无序列表元素2</li>
        <li>无序列表元素3</li>
    </ul>

    <ol>
        <li>无序列表元素1</li>
        <li>无序列表元素2</li>
        <li>无序列表元素3</li>
    </ol>

    <h1>table row</h1>
    <h1>table date</h1>
    <h1>table header</h1>

    <table border="1">
        <th>列标题1</th>
        <th>列标题2</th>
        <th>列标题3</th>

        <tr>
            <td>元素1</td>
            <td>元素2</td>
            <td>元素3</td>
        </tr>
        <tr>
            <td>元素4</td>
            <td>元素5</td>
            <td>元素6</td>
        </tr>
        <tr>
            <td>元素7</td>
            <td>元素8</td>
            <td>元素9</td>            
        </tr>
        <tr>
            <td>元素11</td>
            <td>元素12</td>
            <td>元素12</td>
        </tr>


    </table>


</body>
</html>