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.

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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

Browser compatibility

See also

• JavaScript typed arrays