title: How do I catch KeyUp event ? (sample of code, please)
body: <p>I need to catch <code>KeyDown</code> &amp; <strong>especially</strong> <code>KeyUp</code> events for <code>1,2,3,4,5,6,7,8,9</code> keyboard buttons.  </p>
  
  <p>How does it do ?<br>
  I can catch <code>KeyDown</code> event but what about <strong>KeyUp</strong> ?<br>
  Please, provide some simple code.</p>