similar bug as Ticket #8107

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occurs when $.ajaxSetup(); is used

workaround is: $.ajaxSetup({});

see ​http://jsfiddle.net/ny4E5/

[jaubourg]

Why on earth would you use call ajaxSetup with no parameter? What purpose would it serve?

​http://api.jquery.com/jQuery.ajaxSetup/

As you can clearly see in the doc, the options are NOT optional. That's a totally different case from #8107 where a documented signature didn't work. The workaround you provide is not a workaround at all, it's actually the correct way to call ajaxSetup so that it does... nothing.

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Replying to jaubourg:

Why on earth would you use call ajaxSetup with no parameter? What purpose would it serve?

​http://api.jquery.com/jQuery.ajaxSetup/

As you can clearly see in the doc, the options are NOT optional. That's a totally different case from #8107 where a documented signature didn't work. The workaround you provide is not a workaround at all, it's actually the correct way to call ajaxSetup so that it does... nothing.

The doc says: jQuery.ajaxSetup( options )

options A set of key/value pairs that configure the default Ajax request. All options are optional."

So I guess, I don't need ajaxSetup() if I don't serve any options to it, right?