The navigator.language property is a string representing the preferred language of the user, usually the language of the browser UI. The navigator.languages property is an array of strings representing the user's preferred languages.

Learning resources on MDN

• Navigator: language property
• Navigator: languages property

Browser support

• Chrome 1 Released on 2008-12-11
• Chrome Android 18 Released on 2012-06-27
• Edge 12 Released on 2015-07-29
• Firefox 1 Released on 2004-11-09
• Firefox for Android 4 Released on 2011-03-29
• Safari 1 Released on 2003-06-23
• Safari on iOS 1 Released on 2007-06-29

View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature