> The alert below never occurs (and a breakpoint is never hit if I put
> it there), but I can see that the ajax request is being sent.
>
> j$.ajax({
> 'url': serviceUrl,
> dataType: "jsonp",
> data: params,
> beforeSend: function(req) {
> alert("inside!");
> }
> });If serviceUrl is on a different domain then your jsonp request will not use ajax, and so beforeSend will not be called. x-domain jsonp requests inject script tags into the document head.
