Web-Scale FizzBuzz

fizzbuzz-aaa.js

const operations = [
  number => number % 3 === 0 && number % 5 === 0 && 'FizzBuzz',
  number => number % 3 === 0 && 'Fizz',
  number => number % 5 === 0 && 'Buzz',
  number => number
];

const toFizzBuzz = number =>
  operations.reduce((out, fn) => out || fn(number), false);

const fizzBuzz = numbers => {
  const encoded = numbers.map(toFizzBuzz);

  for (code of encoded) {
    console.log(code);
  }
};

const numbers = [...new Array(100)].map((_, i) => i + 1);

fizzBuzz(numbers);

fizzbuzz-happy-cpu.js

/* Pretty much same as above, but harder to read
 * I did this because I wanted a solution where modulo is only checked once per number
 */

const operations = [
  number => (number % 3 === 0 && 'Fizz') || '',
  number => (number % 5 === 0 && 'Buzz') || ''
];

const toFizzBuzz = number =>
  operations.reduce((out, fn) => out + fn(number), '') || number;

const fizzBuzz = numbers => {
  const encoded = numbers.map(toFizzBuzz);

  for (code of encoded) {
    console.log(code);
  }
};

const numbers = [...new Array(100)].map((_, i) => i + 1);

fizzBuzz(numbers);