DataView.prototype.buffer
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itโs been available across browsers since โจ2015ๅนด7ๆโฉ.
buffer ๅฑๆงๆ่ฟฐไบๅจๆ้ ๆถ่ขซ DataView ๅผ็จ็ ArrayBufferใ
ๅฐ่ฏไธไธ
// Create an ArrayBuffer
const buffer = new ArrayBuffer(123);
// Create a view
const view = new DataView(buffer);
console.log(view.buffer.byteLength);
// Expected output: 123
่ฏญๆณ
dataview.buffer
ๆ่ฟฐ
buffer ๅฑๆงๆฏไธไธช่ฎฟ้ฎๅจ (accessor) ๅฑๆง๏ผๅฎ็ set ๅฑๆงไธบ undefined๏ผ่ฟๆๅณ็ๅฎๆฏๅช่ฏป็ใๅผๅจ DataView ่ขซๅๅปบๆถๅฐฑ็กฎๅฎไบ๏ผไธไธ่ฝๆนๅใ
็คบไพ
ไฝฟ็จ buffer ๅฑๆง
js
var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.buffer; // ArrayBuffer { byteLength: 8 }
่ง่
| Specification |
|---|
| ECMAScriptยฎ 2026 Language Specification # sec-get-dataview.prototype.buffer |
ๆต่งๅจๅ ผๅฎนๆง
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