代码编辑器：
x
1
<table border="1" style="height:200px">2
<colgroup valign="top"> </colgroup>3
<colgroup valign="bottom"> </colgroup>4
<tr>5
<th>Month</th>6
<th>Savings</th>7
</tr>8
<tr>9
<td>January</td>10
<td>$100</td>11
</tr>12
13
</table>14
15
<footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>16