The ArrayBuffer.isView()
static method determines whether the passed value is one of the ArrayBuffer
views, such as typed array objects or a DataView
.
On this page
ArrayBuffer.isView()
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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
- JavaScript typed arrays guide
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView