buf.buffer

• <ArrayBuffer> 创建此 Buffer 对象所基于的基础 ArrayBuffer 对象。

  \<ArrayBuffer> The underlying ArrayBuffer object based on which this Buffer object is created.

不保证此 ArrayBuffer 与原始 Buffer 完全对应。有关详细信息,请参阅 buf.byteOffset 上的说明。

\This ArrayBuffer is not guaranteed to correspond exactly to the original Buffer. See the notes on buf.byteOffset for details.

import { Buffer } from 'node:buffer';
const arrayBuffer = new ArrayBuffer(16);
const buffer = Buffer.from(arrayBuffer);
console.log(buffer.buffer === arrayBuffer);
// Prints: trueconst { Buffer } = require('node:buffer');
const arrayBuffer = new ArrayBuffer(16);
const buffer = Buffer.from(arrayBuffer);
console.log(buffer.buffer === arrayBuffer);
// Prints: true拷贝