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authorjulieng <julien.gattelier@gmail.com>2021-08-03 08:03:09 +0200
committerSphinxKnight <SphinxKnight@users.noreply.github.com>2021-09-03 08:08:25 +0200
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+---
+title: ArrayBuffer.isView()
+slug: Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView
+tags:
+ - ArrayBuffer
+ - JavaScript
+ - Méthode
+ - Reference
+ - TypedArrays
+translation_of: Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView
+original_slug: Web/JavaScript/Reference/Objets_globaux/ArrayBuffer/isView
+---
+<div>{{JSRef}}</div>
+
+<p>La méthode <code><strong>ArrayBuffer.isView()</strong></code> renvoie <code>true</code> si l'argument passé est une des vues <code>ArrayBuffer</code>, comme par exemple <a href="/fr/docs/Web/JavaScript/Reference/Objets_globaux/TypedArray">un tableau typé</a> ou une {{jsxref("DataView")}} ; <code>false</code> sinon.</p>
+
+<div>{{EmbedInteractiveExample("pages/js/arraybuffer-isview.html")}}</div>
+
+<h2 id="Syntaxe">Syntaxe</h2>
+
+<pre class="syntaxbox">ArrayBuffer.isView(<var>arg</var>)</pre>
+
+<h3 id="Paramètres">Paramètres</h3>
+
+<dl>
+ <dt><code>arg</code></dt>
+ <dd>L'argument dont on souhaite savoir s'il est une vue.</dd>
+</dl>
+
+<h3 id="Valeur_de_retour">Valeur de retour</h3>
+
+<p><code>true</code> si la valeur passée en argument est une des vues du tableau <code>ArrayBuffer</code>, <code>false</code> sinon.</p>
+
+<h2 id="Exemples">Exemples</h2>
+
+<pre class="brush: js">ArrayBuffer.isView(); // false
+ArrayBuffer.isView([]); // false
+ArrayBuffer.isView({}); // false
+ArrayBuffer.isView(null); // false
+ArrayBuffer.isView(undefined); // false
+ArrayBuffer.isView(new ArrayBuffer(10)); // false
+
+ArrayBuffer.isView(new Uint8Array()); // true
+ArrayBuffer.isView(new Float32Array()); // true
+ArrayBuffer.isView(new Int8Array(10).subarray(0, 3)); // true
+
+var buffer = new ArrayBuffer(2);
+var dv = new DataView(buffer);
+ArrayBuffer.isView(dv); // true
+</pre>
+
+<h2 id="Spécifications">Spécifications</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Spécification</th>
+ <th scope="col">État</th>
+ <th scope="col">Commentaires</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('Typed Array')}}</td>
+ <td>{{Spec2('Typed Array')}}</td>
+ <td>Remplacée par ECMAScript 2015</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES2015', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}}</td>
+ <td>{{Spec2('ES2015')}}</td>
+ <td>Définition initiale dans un standard ECMA.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilité_des_navigateurs">Compatibilité des navigateurs</h2>
+
+<p>{{Compat("javascript.builtins.ArrayBuffer.isView")}}</p>
+
+<h2 id="Voir_aussi">Voir aussi</h2>
+
+<ul>
+ <li><a href="/fr/docs/Web/JavaScript/Tableaux_typés">Les tableaux typés en JavaScript</a></li>
+</ul>