How to specify a locale to Facebook OAuth Dialog?

I'm trying to get my users to log into Facebook using the OAuth Dialog API. I'm talking about: http://www.facebook.com/dialog/oauth

How can I specify a locale (ex: "fr_FR") so that the dialog displays in the locale's l开发者_如何学JAVAangauge? I've tried using the obvious locale=fr_FR in the URL but that doesn't work.

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The page on Facebook requesting for the user to grant access for your application is based on the user's settings on Facebook. For defining the locale in non-iframe social plugins using the JavaScript SDK, you need to define the locale when loading the SDK:

<script src="http://connect.facebook.net/en_US/all.js">

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Im using FB Social provider + auth0 and had the same challenge. https://developers.facebook.com/docs/javascript/internationalization#:~:text=Note%20that%20this%20only%20applies%20to%20plugins%20and%20buttons%20that%20are%20directly%20integrated%20with%20your%20site.%20Dialog%20such%20as%20the%20Login%20Dialog%20render%20in%20the%20language%20that%20the%20person%20has%20picked%20as%20their%20native%20language%20on%20Facebook%2C%20even%20if%20it%27s%20different%20than%20the%20language%20you%20select. here it says for *dialog/oauth: Dialog such as the Login Dialog render in the language that the person has picked as their native language on Facebook, even if it's different than the language you select. i tested it is correct

so does not matter what param locale you will pass it is goign to use language provided in user setting profile