The byteLength accessor property of SharedArrayBuffer instances returns the length (in bytes) of this SharedArrayBuffer.
SharedArrayBuffer.prototype.byteLength
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Description
The byteLength property is an accessor property whose set accessor function is undefined, meaning that you can only read this property. The value is established when the shared array is constructed and cannot be changed.
Examples
Using byteLength
js
const sab = new SharedArrayBuffer(1024);
sab.byteLength; // 1024
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 | ||
byteLength |
68 | 79 | 79 | 55 | 15.2 | 89 | 79 | 63 | 15.2 | 15.0 | No | 1.0 | 8.10.0 | |
See also
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength