---
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
---
<div>{{AddonSidebar()}}</div>

<p>Obtient la langue de l'interface utilisateur du navigateur. Ceci est différent de {{WebExtAPIRef('i18n.getAcceptLanguages')}} qui renvoie les langues utilisateur préférées.</p>

<h2 id="Syntaxe">Syntaxe</h2>

<pre class="syntaxbox brush:js">browser.i18n.getUILanguage()
</pre>

<h3 id="Paramètres">Paramètres</h3>

<dl>
 <dd>None.</dd>
</dl>

<h3 id="Valeur_retournée">Valeur retournée</h3>

<p><code>string</code>. Le code de langue de l'interface utilisateur du navigateur en tant que  {{WebExtAPIRef("i18n.LanguageCode")}}.</p>

<h2 id="Compatibilité_du_navigateur">Compatibilité du navigateur</h2>

<p>{{Compat("webextensions.api.i18n.getUILanguage")}}</p>

<h2 id="Exemples">Exemples</h2>

<pre class="brush: js">var uiLanguage = browser.i18n.getUILanguage();
console.log(uiLanguage);

//e.g. "fr"</pre>

<p>{{WebExtExamples}}</p>

<div class="note"><strong>Remerciements :</strong>

<p>Cette API est basée sur l'API Chromium <a href="https://developer.chrome.com/extensions/i18n"><code>chrome.i18n</code></a>. Cette documentation est dérivée de <a href="https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/i18n.json"><code>i18n.json</code></a> dans le code de Chromium code.</p>

<p>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.</p>
</div>

<div class="hidden">
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