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---
title: i18n.getUILanguage()
slug: Mozilla/Add-ons/WebExtensions/API/i18n/getUILanguage
tags:
- API
- Add-ons
- Extensions
- Method
- Non-standard
- Reference
- WebExtensions
- getUILanguage
- i18n
translation_of: Mozilla/Add-ons/WebExtensions/API/i18n/getUILanguage
---
{{AddonSidebar()}}
Obtient la langue de l'interface utilisateur du navigateur. Ceci est différent de {{WebExtAPIRef('i18n.getAcceptLanguages')}} qui renvoie les langues utilisateur préférées.
## Syntaxe
```js
browser.i18n.getUILanguage()
```
### Paramètres
Aucun
### Valeur retournée
`string`. Le code de langue de l'interface utilisateur du navigateur en tant que {{WebExtAPIRef("i18n.LanguageCode")}}.
## Compatibilité du navigateur
{{Compat("webextensions.api.i18n.getUILanguage")}}
## Exemples
```js
var uiLanguage = browser.i18n.getUILanguage();
console.log(uiLanguage);
//e.g. "fr"
```
{{WebExtExamples}}
> **Note :**
>
> Cette API est basée sur l'API Chromium [`chrome.i18n`](https://developer.chrome.com/extensions/i18n). Cette documentation est dérivée de [`i18n.json`](https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/i18n.json) dans le code de Chromium code.
>
> Les données de compatibilité relatives à Microsoft Edge sont fournies par Microsoft Corporation et incluses ici sous la licence Creative Commons Attribution 3.0 pour les États-Unis.
<div class="hidden"><pre>// Copyright 2015 The Chromium Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</pre></div>
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