---
title: captivePortal.canonicalURL
slug: Mozilla/Add-ons/WebExtensions/API/captivePortal/canonicalURL
tags:
  - API
  - Add-ons
  - Extensions
  - canonicalURL
  - captivePortal
translation_of: Mozilla/Add-ons/WebExtensions/API/captivePortal/canonicalURL
---
<div>{{AddonSidebar()}}</div>

<p>Renvoyer l'URL canonique de la page de détection du portail des prisonniers. En lecture seule.</p>

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



<p>{{Compat("webextensions.api.captivePortal.canonicalURL")}}</p>

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

<div class="note"><p><strong>Note :</strong></p>

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

<p>Les données de compatibilité Microsoft Edge sont fournies par Microsoft Corporation et sont incluses ici sous la licence américaine Creative Commons Attribution 3.0.</p>
</div>

<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.
//
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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</pre>
</div>