ArrayBuffer.isView()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itās been available across browsers since āØJuly 2015ā©.
The ArrayBuffer.isView() static method determines whether the
passed value is one of the ArrayBuffer views,
such as typed array objects
or a DataView.
Try it
// 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)
Parameters
value-
The value to be checked.
Return value
true if the given argument is one of the ArrayBuffer views;
otherwise, false.
Examples
Using 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
Specifications
| Specification |
|---|
| ECMAScriptĀ® 2026 LanguageĀ Specification # sec-arraybuffer.isview |
Browser compatibility
See also
- JavaScript typed arrays guide