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
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 |
---|
ECMAScript Language Specification # sec-arraybuffer.isview |
Browser compatibility
BCD tables only load in the browser
See also
- JavaScript typed arrays guide