Usages of jQuery's ajax crossDomain property?

Question

According to jQuery :

crossDomain (default: false for same-domain requests, true for cross-domain requests) Type: Boolean If you wish to f

Answer 1

As far as I can see the op is correct. Setting dataType to jsonp will create a JSONP type request; with the result written into a script block and run. Therefore forcing JSONP by setting cross-domain to true seems redundant.

However. The documentation says that "if you want to force a cross-domain request such as JSONP" thus implying that there might be other cases where you might want to force cross-domain behaviour. I'm not sure what those cases might be however.