我在我的网页上添加了两个下拉框,如下所示,但我想让它们级联,然后将下拉按钮的值传递给一个函数.
<div class="btn-group">
<button data-toggle="dropdown" class="btn btn-success dropdown-toggle">Success <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#" onClick="return false;">Action</a></li>
<li><a href="#" onClick="return false;">Another action</a></li>
<li><a href="#" onClick="return false;">Something else here</a></li>
<li class="divider"></li>
<li><a href="#" onClick="return false;">Separated link</a></li>
</ul>
</div><!-- /btn-group -->
<div class="btn-group">
<button data-toggle="dropdown" class="btn btn-info dropdown-toggle">Info <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#" onClick="return false;">Action</a></li>
<li><a href="#" onClick="return false;">Another action</a></li>
<li><a href="#" onClick="return false;">Something else here</a></li>
<li class="divider"></li>
<li><a href="#" onClick="return false;">Separated link</a></li>
</ul>
</div><!-- /btn-group -->
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