jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox

Question

Having trouble with what I thought was a relatively simple jQuery plugin...

The plugin should fetch data from a php script via ajax to add options to a

Answer 1

Please be advised:

JSONP supports only the GET request method.

*Send request by firefox:*

$.ajax({
   type: 'POST',//<<===
   contentType: 'application/json',
   url: url,
   dataType: "json"//<<=============
    ...
});

Above request send by OPTIONS(while ==>type: 'POST')!!!!

$.ajax({
    type: 'POST',//<<===
    contentType: 'application/json',
    url: url,
    dataType: "jsonp"//<<==============
    ...
});

But above request send by GET(while ==>type: 'POST')!!!!

When you are in "cross-domain communication" , pay attention and be careful.