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 GitHubdesktop | mobile | server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
isView |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.