菜鸟教程在线编辑器

AI 编程工具
 
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<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
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<table width="100%" border="1">
  <colgroup span="2" align="left"></colgroup>
  <colgroup align="right"></colgroup>
  <tr>
    <th>ISBN</th>
    <th>Title</th>
    <th>Price</th>
  </tr>
  <tr>
    <td>3476896</td>
    <td>My first HTML</td>
    <td>$53</td>
  </tr>
</table>

</body>
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