title: Show Input Text After Choose Combobox
body: <p>I have an question about how to show text field based on choose combobox.
  I have an code like this :</p>
  
  <pre><code>&lt;select name="comment"&gt;
  &lt;option value=""&gt;Choose One&lt;/option&gt;
  &lt;option value="Good"&gt;Good&lt;/option&gt;
  &lt;option value="Others"&gt;Others&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>If I choose others, then I want text input show.</p>
  
  <p>How can I do that ? Is that can be done without jquery ?</p>