ArrayBuffer.isView()

BaselineWidely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

TheArrayBuffer.isView() static method determines whether thepassed value is one of theArrayBuffer views,such astyped array objectsor aDataView.

Try it

// Create an ArrayBuffer with a size in bytesconst buffer = new ArrayBuffer(16);console.log(ArrayBuffer.isView(new Int32Array()));// Expected output: true

Syntax

ArrayBuffer.isView(value)

Parameters

value: The value to be checked.

Return value

true if the given argument is one of theArrayBuffer views;otherwise,false.

Examples

Using isView

ArrayBuffer.isView(); // falseArrayBuffer.isView([]); // falseArrayBuffer.isView({}); // falseArrayBuffer.isView(null); // falseArrayBuffer.isView(undefined); // falseArrayBuffer.isView(new ArrayBuffer(10)); // falseArrayBuffer.isView(new Uint8Array()); // trueArrayBuffer.isView(new Float32Array()); // trueArrayBuffer.isView(new Int8Array(10).subarray(0, 3)); // trueconst buffer = new ArrayBuffer(2);const dv = new DataView(buffer);ArrayBuffer.isView(dv); // true