Node Reference for Buffer.writeUInt16BE

method Buffer.writeUInt16BE

Usage in Deno

import { type Buffer } from "node:buffer";



Buffer.writeUInt16BE(value: number,
offset?: number,
): number

Writes value to buf at the specified offset as big-endian. The valuemust be a valid unsigned 16-bit integer. Behavior is undefined when valueis anything other than an unsigned 16-bit integer.

This function is also available under the writeUint16BE alias.

import { Buffer } from 'node:buffer';

const buf = Buffer.allocUnsafe(4);

buf.writeUInt16BE(0xdead, 0);
buf.writeUInt16BE(0xbeef, 2);

console.log(buf);
// Prints: <Buffer de ad be ef>

Parameters



value: number

Number to be written to buf.

optional



offset: number = 0

Number of bytes to skip before starting to write. Must satisfy 0 <= offset <= buf.length - 2.

Return Type

number

offset plus the number of bytes written.