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/DOM

navigatorLanguage.language

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

Syntax

var 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 macOS and iOS prior to 10.2, the country code returned is lowercase: "en-us", "fr-fr" etc.

Example

if (window.navigator.language != 'en') {       
  doLangSelect(window.navigator.language); 
}

Specifications

Specification	Status	Comment
HTML Living Standard The definition of 'NavigatorLanguage: language' in that specification.	Living Standard	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	Yes Yes Returns the browser UI language, not the value of the `Accept-Language` HTTP header.	Yes	1 1 Prior to Firefox 4 this property's value was also part of the user agent string, as reported by `navigator.userAgent`. 5 Starting in Firefox 5.0 this property's value is based on the value of the `Accept-Language` HTTP header.	11 11 Closest available (non-standard) properties are `userLanguage` and `browserLanguage`.	Yes	Yes