method

buffer.Buffer.readDoubleBE

offset?: number

): number;

Reads a 64-bit, big-endian double from buf at the specified offset.

import { Buffer } from 'node:buffer';

const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);

console.log(buf.readDoubleBE(0));
// Prints: 8.20788039913184e-304

@param offset

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