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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 DOMStringlang 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 5.1
The definition of 'NavigatorLanguage.language' in that specification.
Recommendation Initial definition

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes)[1] (Yes) 1.0 (1.7 or earlier)[2]
5.0 (5.0)[3]
11.0[4] (Yes) (Yes)
on WorkerNavigator ? ? 35 (35) ? ? ?
Feature Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 1.0 (1.0) No support[4] (Yes) (Yes)
on WorkerNavigator ? ? 35 (35) No support ? ?

[1] Returns the browser UI language, not the value of the Accept-Language HTTP header.

[2] Prior to Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1), this property's value was also part of the user agent string, as reported by navigator.userAgent.

[3] Starting in Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2), this property's value is based on the value of the Accept-Language HTTP header.

[4] Closest available (non-standard) properties are userLanguage and browserLanguage.

See also

Tag del documento e collaboratori

 Ultima modifica di: ianjmacintosh,