Bootstrap学习js插件篇之下拉菜单_html/css_WEB-ITnose

      <li class="dropdown">        <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>        <ul class="dropdown-menu">          <li><a href="#">Action</a></li>          <li><a href="#">Another action</a></li>          <li><a href="#">Something else here</a></li>          <li class="divider"></li>          <li><a href="#">Separated link</a></li>          <li class="divider"></li>          <li><a href="#">One more separated link</a></li>        </ul>      </li>

<script type="text/javascript">     function Test()    {        $('#myDropDown').dropdown();        } </script>

$('#myDropdown').on('show.bs.dropdown', function () {  // 在显示的时候做一些处理代码})