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.
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 |
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| ECMAScript® 2027 Language Specification # sec-arraybuffer.isview |
Browser compatibility
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
See also
- JavaScript typed arrays guide