ArrayBuffer.isView()

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

{{InteractiveExample("JavaScript Demo: ArrayBuffer.isView()", "shorter")}}

```js interactive-example // Create an ArrayBuffer with a size in bytes const buffer = new ArrayBuffer(16);

console.log(ArrayBuffer.isView(new Int32Array())); // Expected output: true

## Syntax

```js-nolint
ArrayBuffer.isView(value)

Parameters#

• value
• : The value to be checked.

Return value#

true if the given argument is one of the {{jsxref("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#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

• JavaScript typed arrays guide