Node Reference for Buffer.readBigUInt64LE

method Buffer.readBigUInt64LE

Usage in Deno

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



Buffer.readBigUInt64LE(offset?: number): bigint

Reads an unsigned, little-endian 64-bit integer from buf at the specifiedoffset.

This function is also available under the readBigUint64LE alias.

import { Buffer } from 'node:buffer';

const buf = Buffer.from([0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff]);

console.log(buf.readBigUInt64LE(0));
// Prints: 18446744069414584320n

Parameters

optional



offset: number = 0

Number of bytes to skip before starting to read. Must satisfy: 0 <= offset <= buf.length - 8.

Return Type

bigint