Buffer.writeBigUInt64LE - buffer - Node

method Buffer.writeBigUInt64LE

Usage in Deno

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



Buffer.writeBigUInt64LE(value: bigint,
offset?: number,
): number

Writes value to buf at the specified offset as little-endian

import { Buffer } from 'node:buffer';

const buf = Buffer.allocUnsafe(8);

buf.writeBigUInt64LE(0xdecafafecacefaden, 0);

console.log(buf);
// Prints: <Buffer de fa ce ca fe fa ca de>

This function is also available under the writeBigUint64LE alias.

Parameters



value: bigint

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 - 8.

Return Type

number

offset plus the number of bytes written.