title: How to get handle on resize event
body: <p>I need to know what handle is currently being dragged, east or west.</p>
  
  <pre><code>$("#mydiv").resizable({
      handles: 'e, w',
      resize: function(event, ui) {
          // to do: get active handle
      }
  </code></pre>
  
  <p>Any help would be appreciated. Thank you.</p>