WorkerNavigator.language

The WorkerNavigator.language read-only property returns a string representing the preferred language of the user, usually the language of the browser UI.

Syntax

const lang = navigator.language

Value

A DOMString. lang stores a string representing the language version as defined in BCP 47. Examples of valid language codes include "en", "en-US", "fr", "fr-FR", "es-ES", etc.

Note that in Safari on iOS prior to 10.2, the country code returned is lowercase: "en-us", "fr-fr" etc.

Example

You can run this insert a web worker:

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

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
language
4
12
3.5
Before Firefox 4, this property's value was also part of the user agent string, as reported by navigator.userAgent. Starting in Firefox 5, this property's value is based on the value of the Accept-Language HTTP header.
11
Closest available (non-standard) properties are userLanguage and browserLanguage.
4
10
Yes
18
4
10.1
10
Yes

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WorkerNavigator/language