title: Difference between dataType jsonp and JSON
body: <p>I download Jquery UI autoload, looking to remote-jsonp.html. This is ajax function but i open console.. I can't see any request in my console...</p>
  
  <p>What is difference between dataType;"jsonp" and dataType;"JSON"</p>
  
  <pre><code>$( "#city" ).autocomplete({
          source: function( request, response ) {
              $.ajax({
                  url: "http://ws.geonames.org/searchJSON",
                  dataType: "jsonp",
                  data: {
                      featureClass: "P",
                      style: "full",
                      maxRows: 12,
                      name_startsWith: request.term
                  },
                  success: function( data ) {
                      response( $.map( data.geonames, function( item ) {
                          return {
                              label: item.name + (item.adminName1 ? ", " + item.adminName1 : "") + ", " + item.countryName,
                              value: item.name
                          }
                      }));
                  }
              });
          },
  </code></pre>
  
  <p><strong>Reference</strong> <a href="http://jqueryui.com/demos/autocomplete/remote-jsonp.html">http://jqueryui.com/demos/autocomplete/remote-jsonp.html</a></p>