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.
Die statische Methode ArrayBuffer.isView()
bestimmt, ob der übergebene Wert eine der ArrayBuffer
-Ansichten ist, wie z. B. typed array objects oder ein DataView
.
Probieren Sie es aus
// Create an ArrayBuffer with a size in bytes
const buffer = new ArrayBuffer(16);
console.log(ArrayBuffer.isView(new Int32Array()));
// Expected output: true
Syntax
js
ArrayBuffer.isView(value)
Parameter
value
-
Der zu überprüfende Wert.
Rückgabewert
true
, wenn das gegebene Argument eine der ArrayBuffer
-Ansichten ist; andernfalls false
.
Beispiele
Verwendung von isView
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
const buffer = new ArrayBuffer(2);
const dv = new DataView(buffer);
ArrayBuffer.isView(dv); // true
Spezifikationen
Specification |
---|
ECMAScript® 2025 Language Specification # sec-arraybuffer.isview |
Browser-Kompatibilität
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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isView |
Legend
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- 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.
Siehe auch
- Leitfaden zu JavaScript typed arrays