The byteLength accessor property of ArrayBuffer instances returns the length (in bytes) of this array buffer.
The byteLength accessor property of ArrayBuffer instances returns the length (in bytes) of this array buffer.
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 array is constructed and cannot be changed. This property returns 0 if this ArrayBuffer has been detached.
const buffer = new ArrayBuffer(8); buffer.byteLength; // 8
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| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | Deno | Node.js | ||
byteLength |
7 | 12 | 4 | 11.6 | 5.1 | 18 | 4 | 12 | 4.2 | 1.0 | 4 | 1.0 | 0.10.0 | |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/byteLength