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+---
+title: document.createDocumentFragment
+slug: Web/API/Document/createDocumentFragment
+tags:
+  - API
+  - DOM
+  - Document
+  - HTML
+  - Méthode
+  - Reference
+translation_of: Web/API/Document/createDocumentFragment
+---
+<div>{{ApiRef("DOM")}}</div>
+
+<p>Crée un nouvel objet vide de type  {{domxref("DocumentFragment")}}.</p>
+
+<h2 id="Syntax" name="Syntax">Syntaxe</h2>
+
+<pre class="syntaxbox">var <var>fragment</var> = document.createDocumentFragment();
+</pre>
+
+<p><code>fragment</code> est une référence vers un objet vide de type  {{domxref("DocumentFragment")}} .</p>
+
+<h2 id="Description">Description</h2>
+
+<p>Les objets <code>DocumentFragments</code> sont analogues à des nœuds du DOM, mais ne font jamais partie de l'arbre DOM. Le cas d'usage le plus courant consiste à créer un fragment pour y stocker des éléments, puis à ajouter en une seule opération le fragment à l'arbre DOM, ce qui a pour effet de le remplacer par tous ses éléments enfants.</p>
+
+<p>Le principal avantage de cette méthode de mise à jour du DOM vient du fait que le fragment est stocké en mémoire, et pas dans l'arbre DOM lui-même, de sorte que le modifier ne déclenche pas de <a href="http://code.google.com/speed/articles/reflow.html">reflow</a> (le calcul des positions et de la géométrie de chacun des éléments de la page affichée). Par conséquent, l´utilisation de fragments pour effectuer des mises à jour du DOM donne souvent lieu à une <a href="http://ejohn.org/blog/dom-documentfragments/">amélioration des performance</a>s.</p>
+
+<h2 id="Example" name="Example">Exemple</h2>
+
+<p>Cet exemple crée une liste des principaux navigateurs du web.</p>
+
+<h3 id="HTML">HTML</h3>
+
+<pre class="brush: html line-numbers  language-html"><code class="language-html"><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>ul</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>ul<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>
+<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>ul</span><span class="punctuation token">&gt;</span></span></code></pre>
+
+<h3 id="JavaScript">JavaScript</h3>
+
+<pre class="brush: js line-numbers  language-js"><code class="language-js"><span class="keyword token">var</span> element  <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">getElementById</span><span class="punctuation token">(</span><span class="string token">'ul'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// en supposant qu'ul existe</span>
+<span class="keyword token">var</span> fragment <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">createDocumentFragment</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
+<span class="keyword token">var</span> browsers <span class="operator token">=</span> <span class="punctuation token">[</span><span class="string token">'Firefox'</span><span class="punctuation token">,</span> <span class="string token">'Chrome'</span><span class="punctuation token">,</span> <span class="string token">'Opera'</span><span class="punctuation token">,</span>
+    <span class="string token">'Safari'</span><span class="punctuation token">,</span> <span class="string token">'Internet Explorer'</span><span class="punctuation token">]</span><span class="punctuation token">;</span>
+
+browsers<span class="punctuation token">.</span><span class="function token">forEach</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span>browser<span class="punctuation token">)</span> <span class="punctuation token">{</span>
+    <span class="keyword token">var</span> li <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">createElement</span><span class="punctuation token">(</span><span class="string token">'li'</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
+    li<span class="punctuation token">.</span>textContent <span class="operator token">=</span> browser<span class="punctuation token">;</span>
+    fragment<span class="punctuation token">.</span><span class="function token">appendChild</span><span class="punctuation token">(</span>li<span class="punctuation token">)</span><span class="punctuation token">;</span>
+<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
+
+element<span class="punctuation token">.</span><span class="function token">appendChild</span><span class="punctuation token">(</span>fragment<span class="punctuation token">)</span><span class="punctuation token">;</span></code></pre>
+
+<h3 id="Résultat">Résultat</h3>
+
+<p>{{EmbedLiveSample("Example", 600, 140)}}</p>
+
+<h2 id="Spécification">Spécification</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Spécification</th>
+   <th scope="col">Statut</th>
+   <th scope="col">Commentaire</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('DOM WHATWG', '#dom-document-createdocumentfragment', 'Document.createDocumentFragment()')}}</td>
+   <td>{{Spec2('DOM WHATWG')}}</td>
+   <td>Définition initiale dans la spécification DOM 1.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilité_des_navigateurs">Compatibilité des navigateurs</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop"> </div>
+
+<div id="compat-mobile">
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Fonctionnalité</th>
+   <th>Firefox (Gecko)</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Fonctionnalité</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Android</th>
+   <th>Edge</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Voir_aussi">Voir aussi</h2>
+</div>
+
+<ul>
+ <li>{{domxref("DOMImplementation.createDocument", "document.implementation.createDocument()")}}</li>
+ <li>{{domxref("documentFragment")}}</li>
+</ul>