Navigator.language

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Navigator.language 是一個唯讀的屬性,回傳使用者偏好的語言字串,通常是瀏覽器 UI 的文字

語法

js
const lang = navigator.language

一個 DOMString. lang 儲存一個代表此語言的字串。定義在BCP 47。範例: 合法的語言代碼 "en", "en-US", "fr", "fr-FR", "es-ES", etc.

在 iOS 小於 10.2 的 Safari 國碼是回傳小寫的喲! "en-us", "fr-fr" etc.

範例

js
if (/^en\b/.test(navigator.language)) {
  doLangSelect(window.navigator.language);
}

規格

Specification
HTML
# dom-navigator-language-dev

瀏覽器相容性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
language

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
See implementation notes.

參見