ArrayBuffer.isView()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

La méthode ArrayBuffer.isView() renvoie true si l'argument passé est une des vues ArrayBuffer, comme par exemple un tableau typé ou une DataView ; false sinon.

Exemple interactif

// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);

console.log(ArrayBuffer.isView(new Int32Array()));
// Expected output: true

Syntaxe

js
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

Specification
ECMAScript® 2025 Language Specification
# sec-arraybuffer.isview

Compatibilité des navigateurs

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
isView

Legend

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Full support
Full support

Voir aussi