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---
title: devtools.panels.ElementsPanel
slug: Mozilla/Add-ons/WebExtensions/API/devtools/panels/ElementsPanel
tags:
- API
- Add-ons
- DevTools
- Extensions
- Reference
- WebExtensions
- devtools.panels
- devtools.panelsElementsPanel
translation_of: Mozilla/Add-ons/WebExtensions/API/devtools.panels/ElementsPanel
original_slug: Mozilla/Add-ons/WebExtensions/API/devtools.panels/ElementsPanel
---
<div>{{AddonSidebar()}}</div>
<p>Un <code>ElementsPanel</code> représente l'inspecteur HTML/CSS dans la devtools du navigateur. C'est ce qu'on appelle l'inspecteur de page dans Firefox et le panneau Éléments de Chrome.</p>
<h2 id="Fonctions">Fonctions</h2>
<dl>
<dt><code><a href="/fr/Add-ons/WebExtensions/API/devtools.panels/ElementsPanel/createSidebarPane">devtools.panels.ElementsPanel.createSidebarPane()</a></code></dt>
<dd>Crée un volet dans la barre latérale de l'inspecteur.</dd>
<dt>
<h2 id="Evénements">Evénements</h2>
</dt>
<dt><code><a href="/fr/Add-ons/WebExtensions/API/devtools.panels/ElementsPanel/onSelectionChanged">devtools.panels.ElementsPanel.onSelectionChanged</a></code></dt>
<dd>Appèle lorsque l'utilisateur sélectionne un élément différent dans la page, par exemple en utilisant l'élément de menu contextuel "inspect élément".</dd>
</dl>
<h2 id="Compatibilité_du_navigateur">Compatibilité du navigateur</h2>
<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
<p>{{Compat("webextensions.api.devtools.panels.ElementsPanel", 10)}}</p>
<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/devtools_panels"><code>chrome.devtools.panels</code></a>.</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.
//
// 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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