title: jQuery: How to enable `beforeSend` for `$.ajax({dataType:'jsonp'...`? Is there any solution?
body: <p>jQuery: How to enable <code>beforeSend</code> for <code>$.ajax({dataType:'jsonp'...</code>? Is there any solution?
  <a href="http://jsfiddle.net/laukstein/2wcpU/" rel="nofollow">http://jsfiddle.net/laukstein/2wcpU/</a></p>
  
  <pre><code>&lt;div id="content"&gt;&lt;/div&gt;
  &lt;script&gt;
  $.ajax({
      type:"GET",
      url:'http://lab.laukstein.com/ajax-seo/.json',
      dataType:'jsonp',
      async:false,
      beforeSend:function(data){ // Are not working with dataType:'jsonp'
        $('#content').html('Loading...');
      },
      success:function(data){
          $('#content').html(data.content);
      }
  });
  &lt;/script&gt;
  </code></pre>