writeBigInt64BE
Writes value
to buf
at the specified offset
as big-endian.
value
is interpreted and written as a two's complement signed integer.
import { Buffer } from 'node:buffer';
const buf = Buffer.allocUnsafe(8);
buf.writeBigInt64BE(0x0102030405060708n, 0);
console.log(buf);
// Prints: <Buffer 01 02 03 04 05 06 07 08>
Content copied to clipboard
Since
v12.0.0, v10.20.0
Return
offset
plus the number of bytes written.
Parameters
value
Number to be written to buf
.
offset=0 Number of bytes to skip before starting to write. Must satisfy: 0 <= offset <= buf.length - 8
.