JavaScript - get the complete list of locales supported by the browser

Question

I've found supportedLocalesOf, but is there a way to get all supported locales, not just check which among a given list are supported?

The '*' tag option described in this 2012 post no longer works.

Answer 1

You may use npm ISO-639-1 to list them. It's safe to assume that all browsers use the 639-1 column shown in this table from wikipedia as their standard support.

Or use the following hardcoded list

[     ['Abkhazian', 'ab'],     ['Afar', 'aa'],     ['Afrikaans', 'af'],     ['Akan', 'ak'],     ['Albanian', 'sq'],     ['Amharic', 'am'],     ['Arabic', 'ar'],     ['Aragonese', 'an'],     ['Armenian', 'hy'],     ['Assamese', 'as'],     ['Avaric', 'av'],     ['Avestan', 'ae'],     ['Aymara', 'ay'],     ['Azerbaijani', 'az'],     ['Bambara', 'bm'],     ['Bashkir', 'ba'],     ['Basque', 'eu'],     ['Belarusian', 'be'],     ['Bengali (Bangla)', 'bn'],     ['Bihari', 'bh'],     ['Bislama', 'bi'],     ['Bosnian', 'bs'],     ['Breton', 'br'],     ['Bulgarian', 'bg'],     ['Burmese', 'my'],     ['Catalan', 'ca'],     ['Chamorro', 'ch'],     ['Chechen', 'ce'],     ['Chichewa, Chewa, Nyanja', 'ny'],     ['Chinese', 'zh'],     ['Chinese (Simplified)', 'zh-Hans'],     ['Chinese (Traditional)', 'zh-Hant'],     ['Chuvash', 'cv'],     ['Cornish', 'kw'],     ['Corsican', 'co'],     ['Cree', 'cr'],     ['Croatian', 'hr'],     ['Czech', 'cs'],     ['Danish', 'da'],     ['Divehi, Dhivehi, Maldivian', 'dv'],     ['Dutch', 'nl'],     ['Dzongkha', 'dz'],     ['English', 'en'],     ['Esperanto', 'eo'],     ['Estonian', 'et'],     ['Ewe', 'ee'],     ['Faroese', 'fo'],     ['Fijian', 'fj'],     ['Finnish', 'fi'],     ['French', 'fr'],     ['Fula, Fulah, Pulaar, Pular', 'ff'],     ['Galician', 'gl'],     ['Gaelic (Scottish)', 'gd'],     ['Gaelic (Manx)', 'gv'],     ['Georgian', 'ka'],     ['German', 'de'],     ['Greek', 'el'],     ['Greenlandic', 'kl'],     ['Guarani', 'gn'],     ['Gujarati', 'gu'],     ['Haitian Creole', 'ht'],     ['Hausa', 'ha'],     ['Hebrew', 'he'],     ['Herero', 'hz'],     ['Hindi', 'hi'],     ['Hiri Motu', 'ho'],     ['Hungarian', 'hu'],     ['Icelandic', 'is'],     ['Ido', 'io'],     ['Igbo', 'ig'],     ['Indonesian', 'id, in'],     ['Interlingua', 'ia'],     ['Interlingue', 'ie'],     ['Inuktitut', 'iu'],     ['Inupiak', 'ik'],     ['Irish', 'ga'],     ['Italian', 'it'],     ['Japanese', 'ja'],     ['Javanese', 'jv'],     ['Kalaallisut, Greenlandic', 'kl'],     ['Kannada', 'kn'],     ['Kanuri', 'kr'],     ['Kashmiri', 'ks'],     ['Kazakh', 'kk'],     ['Khmer', 'km'],     ['Kikuyu', 'ki'],     ['Kinyarwanda (Rwanda)', 'rw'],     ['Kirundi', 'rn'],     ['Kyrgyz', 'ky'],     ['Komi', 'kv'],     ['Kongo', 'kg'],     ['Korean', 'ko'],     ['Kurdish', 'ku'],     ['Kwanyama', 'kj'],     ['Lao', 'lo'],     ['Latin', 'la'],     ['Latvian (Lettish)', 'lv'],     ['Limburgish ( Limburger)', 'li'],     ['Lingala', 'ln'],     ['Lithuanian', 'lt'],     ['Luga-Katanga', 'lu'],     ['Luganda, Ganda', 'lg'],     ['Luxembourgish', 'lb'],     ['Manx', 'gv'],     ['Macedonian', 'mk'],     ['Malagasy', 'mg'],     ['Malay', 'ms'],     ['Malayalam', 'ml'],     ['Maltese', 'mt'],     ['Maori', 'mi'],     ['Marathi', 'mr'],     ['Marshallese', 'mh'],     ['Moldavian', 'mo'],     ['Mongolian', 'mn'],     ['Nauru', 'na'],     ['Navajo', 'nv'],     ['Ndonga', 'ng'],     ['Northern Ndebele', 'nd'],     ['Nepali', 'ne'],     ['Norwegian', 'no'],     ['Norwegian bokmål', 'nb'],     ['Norwegian nynorsk', 'nn'],     ['Nuosu', 'ii'],     ['Occitan', 'oc'],     ['Ojibwe', 'oj'],     ['Old Church Slavonic, Old Bulgarian', 'cu'],     ['Oriya', 'or'],     ['Oromo (Afaan Oromo)', 'om'],     ['Ossetian', 'os'],     ['Pāli', 'pi'],     ['Pashto, Pushto', 'ps'],     ['Persian (Farsi)', 'fa'],     ['Polish', 'pl'],     ['Portuguese', 'pt'],     ['Punjabi (Eastern)', 'pa'],     ['Quechua', 'qu'],     ['Romansh', 'rm'],     ['Romanian', 'ro'],     ['Russian', 'ru'],     ['Sami', 'se'],     ['Samoan', 'sm'],     ['Sango', 'sg'],     ['Sanskrit', 'sa'],     ['Serbian', 'sr'],     ['Serbo-Croatian', 'sh'],     ['Sesotho', 'st'],     ['Setswana', 'tn'],     ['Shona', 'sn'],     ['Sichuan Yi', 'ii'],     ['Sindhi', 'sd'],     ['Sinhalese', 'si'],     ['Siswati', 'ss'],     ['Slovak', 'sk'],     ['Slovenian', 'sl'],     ['Somali', 'so'],     ['Southern Ndebele', 'nr'],     ['Spanish', 'es'],     ['Sundanese', 'su'],     ['Swahili (Kiswahili)', 'sw'],     ['Swati', 'ss'],     ['Swedish', 'sv'],     ['Tagalog', 'tl'],     ['Tahitian', 'ty'],     ['Tajik', 'tg'],     ['Tamil', 'ta'],     ['Tatar', 'tt'],     ['Telugu', 'te'],     ['Thai', 'th'],     ['Tibetan', 'bo'],     ['Tigrinya', 'ti'],     ['Tonga', 'to'],     ['Tsonga', 'ts'],     ['Turkish', 'tr'],     ['Turkmen', 'tk'],     ['Twi', 'tw'],     ['Uyghur', 'ug'],     ['Ukrainian', 'uk'],     ['Urdu', 'ur'],     ['Uzbek', 'uz'],     ['Venda', 've'],     ['Vietnamese', 'vi'],     ['Volapük', 'vo'],     ['Wallon', 'wa'],     ['Welsh', 'cy'],     ['Wolof', 'wo'],     ['Western Frisian', 'fy'],     ['Xhosa', 'xh'],     ['Yiddish', 'yi', 'ji'],     ['Yoruba', 'yo'],     ['Zhuang, Chuang', 'za'],     ['Zulu', 'zu'], ]