best-random

A humble replacement for Math.random() that is tiny, fast, seedable, and has good statistical properties.

Overview

• Suitable for non-cryptographic applications
• Passes most statistical tests
• Period of ~2¹²⁸
• ~600 bytes
• Very fast

Installation

npm i best-random --save

Usage

const { Random } = require("best-random");

const rnd = new Random(/* seed: */ 42);     // New PRNG w/seed 42

console.log(rnd.float64());                 // Always prints '0.60829943369486'
console.log(rnd.uint32());                  // Always prints '803767485'
console.log(rnd.uint53());                  // Always prints '6835035088404228'