[1] zbraniecki/proposal-intl-locale: `Intl.Locale` specification [draft] (9/15/2017, 1:59:56 PM) <https://github.com/zbraniecki/proposal-intl-locale>
[2] Add navigator.locales to expose additional locale details by littledan · Pull Request #3046 · whatwg/html (9/15/2017, 2:00:20 PM) <https://github.com/whatwg/html/pull/3046>
Google search: Locale