title: How to change element class on select option using jQuery
body: <p>I want change my <code>class="value"</code> on select option using jQuery</p>
  
  <p>Example</p>
  
  <pre><code>&lt;select name="color_scheme" id="color_scheme"&gt;
    &lt;option selected="selected"&gt;Default&lt;/option&gt;
    &lt;option&gt;Black&lt;/option&gt;
    &lt;option&gt;Blue&lt;/option&gt;
    &lt;option&gt;Brown&lt;/option&gt;
    &lt;option&gt;Green&lt;/option&gt;
    &lt;option&gt;Gray&lt;/option&gt;
    &lt;option&gt;Lime&lt;/option&gt;
    &lt;option&gt;Orange&lt;/option&gt;
  &lt;/select&gt;
  
  &lt;span class="Default"&gt;&lt;/span&gt;
  </code></pre>
  
  <p>If we select Black span class will be</p>
  
  <pre><code>&lt;span class="Black"&gt;&lt;/span&gt;
  </code></pre>
  
  <p>Let me know</p>