The ArrayBuffer.isView()
method determines whether the passed value is one of the ArrayBuffer
views, such as typed array objects or a DataView
.
ArrayBuffer.isView()
Try it
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
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
isView |
32
|
12
|
29
|
11
|
19
|
7
|
≤37
|
32
|
29
|
19
|
7
|
2.0
|
1.0
|
4.0.0
|
See also
© 2005–2022 MDN contributors.
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