## 6.1.1.快速使用 ```html <!-- click模式触发 --> <div class="dropdown-menu"> <button class="layui-btn icon-btn">&nbsp;Click me <i class="layui-icon layui-icon-drop"></i> </button> <ul class="dropdown-menu-nav"> <li><a>1st menu item</a></li> <li><a>2nd menu item</a></li> <li><a>3rd menu item</a></li> </ul> </div> <!-- hover模式触发，增加dropdown-hover即可 --> <div class="dropdown-menu dropdown-hover"> <button class="layui-btn icon-btn">&nbsp;Hover me <i class="layui-icon layui-icon-drop"></i></button> <ul class="dropdown-menu-nav"> <li><a>1st menu item</a></li> <li><a>2nd menu item</a></li> <li><a>3rd menu item</a></li> </ul> </div> <script> layui.use(['dropdown'], function () { var dropdown = layui.dropdown; // 加载模块 }); </script> ```  <br/>