fizzbuzz2.js

(() => {
  'use strict'

  const fizzbuzziness = (num) => {
    const tbl = Object({ 'Fizz': (num % 3 === 0), 'Buzz': (num % 5 === 0) })
    return Object
      .keys(tbl)
      .filter(key => tbl[key])
      .reduce((acc, curr) => { return `${acc}${curr}` }, '')
  }
})()