title: Find html Footer tag using javascript
body: <p>I have on html file in that there is one footer tag like this
  <code>&lt;footer data-role="footer" data-theme="b"&gt;
     &lt;h4 &gt; My Web Site &lt;/h4&gt;
   &lt;/footer&gt;
  </code>
  i want to hide this footer using javascript please help me out.</p>