my code is based on the remote JSONP example.

Useing chrome dev tools i have established that it does make the ajax request successfully. and when I manually resend the request I do get the expected response back.

However the success: callback does not run.

note that if i include a beforeSend: call in the same place as the success: call it does run

also the error: callback returns " "jQuery1102008505786093883216_1453976870941 was not called"

$(function() {
    function log( message ) {
        $( "<div>" ).text( message ).prependTo( "#log" );
        $( "#log" ).scrollTop( 0 );
    }

    $( "#birds" ).autocomplete({
        source: function( request, response ) {
            $.ajax({
                url: "https://jqueryui.com/resources/demos/autocomplete/search.php",
                dataType: "jsonp",
                data: {
                    term: request.term
                },
                success: function (data) {
                    response(data);
                    console.log('marker');
                }
            });
        },
        minLength: 2,
        select: function( event, ui ) {
            log( ui.item ?
            "Selected: " + ui.item.value + " aka " + ui.item.id :
            "Nothing selected, input was " + this.value );
        }
    });

});