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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 DataView.

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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

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android Deno Node.js
isView 32 12 29 19 7 32 29 19 7 2.0 4.4.3 1.0 4.0.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView