Buffer | /ext/node/polyfills/buffer.ts | deno@v1.39.0

A modern runtime for JavaScript and TypeScript.

method Buffer.prototype.writeBigUInt64BE

import { Buffer } from "https://deno.land/x/deno@v1.39.0/ext/node/polyfills/buffer.ts";

writeBigUInt64BE(value: bigint, offset?: number): number

Writes value to buf at the specified offset as big-endian.

This function is also available under the writeBigUint64BE alias.

import { Buffer } from "ext:deno_node/internal/buffer";

const buf = Buffer.allocUnsafe(8);

buf.writeBigUInt64BE(0xdecafafecacefaden, 0);

console.log(buf);
// Prints: <Buffer de ca fa fe ca ce fa de>

Parameters

value: bigint

Number to be written to buf.

offset: number

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

Returns

offset plus the number of bytes written.