On Mon, May 23, 2016 at 11:58 PM, Geoffrey Garen <gga...@apple.com> wrote: > For example, if I speak English but I like Polish number formatting, should > navigator.language report “en-pl”?
I don't think so. That would only make sense if English was a language spoken in Poland that differs from other English languages. Contrast with en-GB and en-US which would make sense as values and don't imply a locale necessarily. > In researching this question, I discovered that lots of code uses > navigator.language and/or HTTP Accept-Language to infer the user’s locale, > despite the fact that language and locale are not equivalent. I don't think we expose locale currently, although I have not studied ECMA-402 in detail which I suspect might reveal some of it, only the language. -- https://annevankesteren.nl/