---
title: TreeWalker.root
slug: Web/API/TreeWalker/root
tags:
  - API
  - Arborescence
  - DOM
  - Noeuds
  - Propriétés
translation_of: Web/API/TreeWalker/root
---
<p>{{ APIRef("DOM") }}</p>

<p>La propriété en lecture seule <code><strong>TreeWalker.root</strong></code> renvoie le noeud qui est la racine de ce que TreeWalker doit traverser.</p>

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

<pre class="syntaxbox"><em>root</em> = TreeWalker.root;</pre>

<h2 id="Example" name="Example">Exemple</h2>

<pre class="brush: js">var treeWalker = document.createTreeWalker(
    document.body,
    NodeFilter.SHOW_ELEMENT,
    { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } },
    false
);
root = treeWalker.root; // document.body dans ce cas
</pre>

<h2 id="Specification" name="Specification">Spécifications</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Spécification</th>
   <th scope="col">Statut</th>
   <th scope="col">Commentaire</th>
  </tr>
  <tr>
   <td>{{SpecName('DOM WHATWG', '#dom-treewalker-root', 'TreeWalker.root')}}</td>
   <td>{{Spec2('DOM WHATWG')}}</td>
   <td>Pas de changement de {{SpecName('DOM2 Traversal_Range')}}</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM2 Traversal_Range', 'traversal.html#Traversal-TreeWalker-root', 'TreeWalker.root')}}</td>
   <td>{{Spec2('DOM2 Traversal_Range')}}</td>
   <td>Définition initiale.</td>
  </tr>
 </tbody>
</table>

<h2 id="Compatibilité_des_navigateurs">Compatibilité des navigateurs</h2>

<p>{{CompatibilityTable}}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Fonctionnalité</th>
   <th>Chrome</th>
   <th>Edge</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>1.0</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatGeckoDesktop("1.8.1")}}</td>
   <td>9.0</td>
   <td>9.0</td>
   <td>3.0</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Fonctionnalité</th>
   <th>Android</th>
   <th>Edge</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatGeckoMobile("1.8.1")}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>9.0</td>
   <td>3.0</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="Voir_aussi">Voir aussi</h2>

<ul>
 <li>L'interface {{domxref("TreeWalker")}}.</li>
</ul>