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authorMasahiro FUJIMOTO <mfujimot@gmail.com>2021-09-04 00:46:12 +0900
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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
+---
+{{JSRef}}
+
+La méthode **`ArrayBuffer.isView()`** renvoie `true` si l'argument passé est une des vues `ArrayBuffer`, comme par exemple [un tableau typé](/fr/docs/Web/JavaScript/Reference/Objets_globaux/TypedArray) ou une {{jsxref("DataView")}} ; `false` sinon.
+
+{{EmbedInteractiveExample("pages/js/arraybuffer-isview.html")}}
+
+## Syntaxe
+
+ ArrayBuffer.isView(arg)
+
+### Paramètres
+
+- `arg`
+ - : L'argument dont on souhaite savoir s'il est une vue.
+
+### Valeur de retour
+
+`true` si la valeur passée en argument est une des vues du tableau `ArrayBuffer`, `false` sinon.
+
+## Exemples
+
+```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
+```
+
+## Spécifications
+
+| Spécification | État | Commentaires |
+| ------------------------------------------------------------------------------------------------ | -------------------------------- | ------------------------------------------ |
+| {{SpecName('Typed Array')}} | {{Spec2('Typed Array')}} | Remplacée par ECMAScript 2015 |
+| {{SpecName('ES2015', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}} | {{Spec2('ES2015')}} | Définition initiale dans un standard ECMA. |
+| {{SpecName('ESDraft', '#sec-arraybuffer.isview', 'ArrayBuffer.isView')}} | {{Spec2('ESDraft')}} |   |
+
+## Compatibilité des navigateurs
+
+{{Compat("javascript.builtins.ArrayBuffer.isView")}}
+
+## Voir aussi
+
+- [Les tableaux typés en JavaScript](/fr/docs/Web/JavaScript/Tableaux_typés)