title: jquery remove duplicate li
body: <pre><code>&lt;ul id="myid"&gt;   
  &lt;li&gt;microsoft&lt;/li&gt;  
  &lt;li&gt;microsoft&lt;/li&gt;  
  &lt;li&gt;apple&lt;/li&gt;  
  &lt;li&gt;apple&lt;/li&gt;  
  &lt;/ul&gt;   
  </code></pre>
  
  <p>I want to remove duplicates from <code>li</code> by using jquery.  </p>
  
  <p>How can I do that?</p>