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This feature is well established and works across many devices and browser versions. Its been available across browsers since 2015 7.
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ArrayBuffer .
" " . ArrayBuffer , DataView , .
ArrayBuffer() () ArrayBuffer . Base64 .
ArrayBuffer Transferable objects.
ArrayBuffer ArrayBuffer() maxByteLength . ArrayBuffer resizable maxByteLength . resize() ArrayBuffer . 0 .
ArrayBuffer .
. WebAssembly JavaScript (Wasm WebAssembly.Memory.prototype.grow() ).
ArrayBuffer Web Workers , structured clone algorithm . Worker.postMessage() ServiceWorker.postMessage() ArrayBuffer . JavaScript transfer() transferToFixedLength() ArrayBuffer ArrayBuffer .
ArrayBuffer . ArrayBuffer . .
byteLength 0 ( ).resize() slice() TypeError . TypeError . TypeError .ArrayBuffer detached .
ArrayBuffer() ArrayBuffer .
ArrayBuffer.isView()arg DataView ArrayBuffer , true . false .
ArrayBuffer.prototype ArrayBuffer .
ArrayBuffer.prototype.byteLengthArrayBuffer (). .
ArrayBuffer.prototype.byteLengthArrayBuffer . , ArrayBuffer ArrayBuffer.prototype.resize() .
ArrayBuffer.prototype.constructor . ArrayBuffer ArrayBuffer .
ArrayBuffer.prototype.detached . ArrayBuffer () true false .
ArrayBuffer.prototype.maxByteLengthArrayBuffer . .
ArrayBuffer.prototype.resizable . ArrayBuffer true false .
ArrayBuffer.prototype[@@toStringTag]@@toStringTag "ArrayBuffer" . Object.prototype.toString() .
ArrayBuffer.prototype.resize() ArrayBuffer .
ArrayBuffer.prototype.slice() ArrayBuffer begin end ArrayBuffer . begin end .
ArrayBuffer.prototype.transfer() ArrayBuffer . .
ArrayBuffer.prototype.transferToFixedLength() ArrayBuffer . .
ArrayBuffer.prototype.slice() begin end ArrayBuffer ArrayBuffer . begin end .
Int32Array 8 .
const buffer = new ArrayBuffer(8);
const view = new Int32Array(buffer);
| Specification |
|---|
| ECMAScript 2027 LanguageSpecification # sec-arraybuffer-objects |
This page was last modified on 2026 7 15 by MDN contributors.
ArrayBufferObject/FunctionObject.prototype.__defineGetter__()Object.prototype.__defineSetter__()Object.prototype.__lookupGetter__()Object.prototype.__lookupSetter__()Object.prototype.hasOwnProperty()Object.prototype.isPrototypeOf()Object.prototype.propertyIsEnumerable()Object.prototype.toLocaleString()Object.prototype.toString()Object.prototype.valueOf()Your blueprint for a better internet.
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