Web/JavaScript/Reference/Global objects/ArrayBuffer/isView

The ArrayBuffer.isView() method determines whether the passed value is one of the ArrayBuffer views, such as typed array objects or a DataView.

Syntax

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

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 (ECMA-262)The definition of 'ArrayBuffer.isView' in that specification.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet	Node.js
`isView`	Chrome Full support 32	Edge Full support 12	Firefox Full support 29	IE Full support 11	Opera Full support 19	Safari Full support 7	WebView Android Full support ≤37	Chrome Android Full support 32	Firefox Android Full support 29	Opera Android Full support 19	Safari iOS Full support 7	Samsung Internet Android Full support 2.0	nodejs Full support 4.0.0

Legend

Full support: Full support