method Buffer.writeBigInt64LE
#Buffer.writeBigInt64LE(value: bigint,offset?: number,): numberWrites value to buf at the specified offset as little-endian.
value is interpreted and written as a two's complement signed integer.
import { Buffer } from 'node:buffer';
const buf = Buffer.allocUnsafe(8);
buf.writeBigInt64LE(0x0102030405060708n, 0);
console.log(buf);
// Prints: <Buffer 08 07 06 05 04 03 02 01>
Parameters #
Return Type #
number offset plus the number of bytes written.