title: backSpace not firing the keyup event in android mobile
body: <p>This is the first time,I am working on <code>mobile Apps</code>.<code>keyUp</code> event not firing If I press <code>backspace</code> button.</p>
  
  <p>I made a <a href="http://jsfiddle.net/33Snz/13/">jsFiddle</a> for reference.</p>
  
  <p>Initially user entered <code>23</code> and then user deleted <code>3</code> using backspace button.While entering <code>23</code> event firing but while delete time event not firing.</p>
  
  <p>I am using <code>device : motorola motog,Android Version:4.4.2</code>.</p>
  
  <p>How can I fix this,can anyone help me with an example code.</p>