title: Check Ctrl / Shift / Alt keys on 'click' event
body: <p>How could I identify <strong>which</strong> <kbd>Ctrl</kbd> / <kbd>Shift</kbd> / <kbd>Alt</kbd> keys are pressed in the following code ?</p>
  
  <pre><code>$("#my_id").click(function() {
      if (&lt;left control key is pressed&gt;) { alert("Left Ctrl"); }
      if (&lt;right shift and left alt keys are pressed&gt;) { alert("Right Shift + Left Alt"); }
  });
  </code></pre>