title: Semantic UI Dropdown can't work
body: <p>I have tried to deal with this problem for 2 days, but I still can't get the JavaScript of Semantic UI to work. This is my all code. My jQuery is not very good. I have read a lot, but it doesn't work. </p>
  
  <pre><code>        &lt;!DOCTYPE html&gt;
          &lt;html&gt;
          &lt;head&gt;
          &lt;meta name="viewport" content="width=device-width, initial-scale=1.0,
          minimum-                      scale=0.5, maximum-scale=2.0, 
          user-scalable=yes" /&gt; &lt;!--自适应--&gt;
          &lt;meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" charset="utf-8"&gt;
          &lt;title&gt;后台管理系统&lt;/title&gt;
          &lt;link rel="stylesheet" type="text/css" href="css/semantic.css"&gt;
          &lt;script type="text/javascript" src="js/jquery.js"&gt;&lt;/script&gt;
          &lt;script type="text/javascript" src="js/jquery.address.js"&gt;&lt;/script&gt;
          &lt;script type="text/javascript" src="js/semantic.js"&gt;&lt;/script&gt;
  
          &lt;style type="text/css"&gt;
          .diymenu{background-color: blue;margin: 0px 0px 0px 0px; padding-top:0px;}
          body{margin: 0px 0px 0px 0px;font-family: 微软雅黑;}
          &lt;/style&gt;
          &lt;script type="text/javascript"&gt;
          $(document).ready(function(){
          $('#drop').click(function(){
          $('#drop').dropdown('show');
          });
          });
          &lt;/script&gt;
          &lt;/head&gt;
          &lt;body &gt;
  
          &lt;!--导航栏  --&gt;
          &lt;div class="ui  blue inverted menu"&gt;
          &lt;a class="active item"&gt;&lt;i class="home icon"&gt;&lt;/i&gt;主页&lt;/a&gt;
          &lt;div class="right menu"&gt;
          &lt;a class="item"&gt;&lt;i class="mail  icon"&gt;&lt;/i&gt;消息
          &lt;div class="ui black circular   label"&gt;2&lt;/div&gt;&lt;/a&gt;
          &lt;a class="item"&gt; 
  
          &lt;/a&gt;
          &lt;/div&gt;
          &lt;/div&gt;
  
          &lt;div class="ui dropdown item" id="drop"&gt;
          More &lt;i class="dropdown icon"&gt;&lt;/i&gt;
          &lt;div class="menu"&gt;
          &lt;a class="item"&gt;&lt;i class="edit icon"&gt;&lt;/i&gt;编辑个人信息&lt;/a&gt;
          &lt;a class="item"&gt;&lt;i class="globe icon"&gt;&lt;/i&gt;选择语言&lt;/a&gt;
          &lt;a class="item"&gt;&lt;i class="settings icon"&gt;&lt;/i&gt;账户设置&lt;/a&gt;
          &lt;/div&gt;
          &lt;/div&gt;
          &lt;/body&gt;
          &lt;/html&gt;
  </code></pre>