Module

std/node/buffer.ts>Buffer#writeDoubleBE

Deno standard library
denoland/deno_std
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method Buffer.prototype.writeDoubleBE
import { Buffer } from "https://dotland.deno.dev/std@0.177.0/node/buffer.ts";

Writes value to buf at the specified offset as big-endian. The valuemust be a JavaScript number. Behavior is undefined when value is anything other than a JavaScript number.

import { Buffer } from 'buffer';

const buf = Buffer.allocUnsafe(8);

buf.writeDoubleBE(123.456, 0);

console.log(buf);
// Prints: <Buffer 40 5e dd 2f 1a 9f be 77>

Parameters

value: number

Number to be written to buf.

optional
offset: number

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

Returns

number

offset plus the number of bytes written.