vi
Vietnamese
Tiếng Việt
Austroasiatic
Language Code
ISO 639-1 Code
vi
Common Usage
HTML lang attribute
<html lang="vi">
HTTP Accept-Language Header
Accept-Language: vi
JavaScript/TypeScript
const language = "vi"; const languageName = "Vietnamese";
ISO 639 Standard
ISO 639-1 is the international standard for language codes. These two-letter codes are used in HTML lang attributes, HTTP headers, and i18n/l10n systems. The code "vi" represents Vietnamese (Tiếng Việt) and is part of the Austroasiatic language family.