method BufferConstructor.copyBytesFrom
Usage in Deno
import { type BufferConstructor } from "node:buffer";
BufferConstructor.copyBytesFrom(view: TypedArray,offset?: number,length?: number,): Buffer
Copies the underlying memory of view
into a new Buffer
.
const u16 = new Uint16Array([0, 0xffff]);
const buf = Buffer.copyBytesFrom(u16, 1, 1);
u16[1] = 0;
console.log(buf.length); // 2
console.log(buf[0]); // 255
console.log(buf[1]); // 255