案例:html/html5 案例     状态:可编辑再运行    进入竖版
 运行结果 
x
 
1
<html>
2
<body>
3
4
<table border="1" style="height:200px">
5
  <colgroup valign="top" />
6
  <colgroup valign="bottom" />
7
  <tr>
8
    <th>Month</th>
9
    <th>Savings</th>
10
  </tr>
11
  <tr>
12
    <td>January</td>
13
    <td>$100</td>
14
  </tr>
15
</table>
16
17
</body>
18
</html>
19