fizzbuzz.js

#!/usr/bin/env node

// http://upfrontwichita.com/challenges/3

/**
 * fizzBuzz
 */

var fizzBuzz = function(low, high) {
  var result = [];

  if (typeof high === 'undefined') high = low;

  for (var i = low; i <= high; i++) result.push(checkNum(i));
  
  return result;
};

var checkNum = function(num) {
  if (num % 3 === 0 && num % 5 === 0) return 'fizzbuzz';
  if (num % 3 === 0) return 'fizz';
  if (num % 5 === 0) return 'buzz';
  return num;
};

module.exports = fizzBuzz;