i18n.getUILanguage()

{{AddonSidebar}}

Gets the UI language of the browser. This is different from {{WebExtAPIRef('i18n.getAcceptLanguages')}} which returns the preferred user languages.

See the Internationalization page for a guide on using this function.

Syntax

browser.i18n.getUILanguage()

None.

string. The browser UI language code as an {{WebExtAPIRef("i18n.LanguageCode")}} .

{{Compat}}

let uiLanguage = browser.i18n.getUILanguage();
console.log(uiLanguage);

//e.g. "fr"

{{WebExtExamples}}

[!NOTE] This API is based on Chromium’s chrome.i18n API. This documentation is derived from i18n.json in the Chromium code.