tryhtml_colgroup_char 在线代码实例

 <table width="100%" border="1">
  <colgroup align="left"></colgroup>
  <colgroup align="char" char="."></colgroup>
  <tbody><tr>
    <th>Month</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>January</td>
    <td>$100.00</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$10.00</td>
  </tr>
</tbody></table>

<p><b>Note:</b> The char attribute is not supported by any of the major browsers.</p>