title: how to change values of a dropdown on key press using jquery
body: <p>i need to change values of a "Focused" dropdown on keypress using jquery.</p>
  
  <p>i need,</p>
  
  <ol>
  <li>how i get a foucsed drop down or how i can check whether the drop down has focus.</li>
  <li>how to change this drop down values in key press like 1,2,3 etc. using JQUERY.</li>
  </ol>
  
  <p>thanks in advance.</p>