html如下
<td name="setCol" axis="setCol">
<a class="Modify" href="#" title="11" onclick="Modify(0, 4, 2);doFocus();"></a>
<a class="dis" href="#" title="22" onclick="dis(4,2);"></a>
<a class="delete" href="#" title="33" onclick="delete(4,2);"></a>
</td>
delphi中WebBrowser如何通过getAttribute获得上面的按钮并点击?