files/fr/conflicting/web/api/globaleventhandlers/onresize/index.html


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---
title: window.onresize
slug: conflicting/Web/API/GlobalEventHandlers/onresize
tags:
  - API
  - DOM
  - Gestionnaires d'évènements
  - Propriété
  - évènements
translation_of: Web/API/GlobalEventHandlers/onresize
original_slug: Web/API/Window/onresize
---
<p>{{ ApiRef() }}</p>

<p>La propriété <code><strong>GlobalEventHandlers.onresize</strong></code> contient un {{event("Event_handlers")}} (<em>gestionnaire d'évènements)</em> qui survient quand un évènement {{event("resize")}} est reçu.</p>

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

<pre class="eval">window.onresize = <em>funcRef</em>;
</pre>

<h3 id="Parameters" name="Parameters">Paramètres</h3>

<ul>
 <li><code>funcRef</code> est une référence à une fonction.</li>
</ul>

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

<pre>window.onresize = doFunc;
</pre>

<pre class="line-numbers  language-html"><code class="language-html"><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>html</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>head</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>title</span><span class="punctuation token">&gt;</span></span>onresize test<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>title</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>head</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>body</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>p</span><span class="punctuation token">&gt;</span></span>Resize the browser window to fire the resize event.<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>p</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>p</span><span class="punctuation token">&gt;</span></span>Window height: <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>span</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>height<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>span</span><span class="punctuation token">&gt;</span></span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>p</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>p</span><span class="punctuation token">&gt;</span></span>Window width: <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>span</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>width<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>span</span><span class="punctuation token">&gt;</span></span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>p</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>script</span> <span class="attr-name token">type</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>text/javascript<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span><span class="language-javascript script token">
  <span class="keyword token">var</span> heightOutput <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">querySelector</span><span class="punctuation token">(</span><span class="string token">'#height'</span><span class="punctuation token">)</span><span class="punctuation token">;</span>
  <span class="keyword token">var</span> widthOutput <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">querySelector</span><span class="punctuation token">(</span><span class="string token">'#width'</span><span class="punctuation token">)</span><span class="punctuation token">;</span>

  <span class="keyword token">function</span> <span class="function token">resize</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span>
    heightOutput<span class="punctuation token">.</span>textContent <span class="operator token">=</span> window<span class="punctuation token">.</span>innerHeight<span class="punctuation token">;</span>
    widthOutput<span class="punctuation token">.</span>textContent <span class="operator token">=</span> window<span class="punctuation token">.</span>innerWidth<span class="punctuation token">;</span>
  <span class="punctuation token">}</span>

  window<span class="punctuation token">.</span>onresize <span class="operator token">=</span> resize<span class="punctuation token">;</span>
</span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>script</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>body</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>html</span><span class="punctuation token">&gt;</span></span></code></pre>

<h2 id="Notes" name="Notes">Notes</h2>

<p>L’événement <code>resize</code> est déclenché après le redimensionnement de la fenêtre.</p>

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

<table class="spectable standard-table">
 <tbody>
  <tr>
   <th scope="col">Spécification</th>
   <th scope="col">Statut</th>
   <th scope="col">Commentaire</th>
  </tr>
  <tr>
   <td>{{SpecName('HTML WHATWG','webappapis.html#handler-onresize','onresize')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>