fizzbuzzwhizz http://cnodejs.org/topic/535f19f64eac85ae11011d50

fbw.go

package main

import (
	"fmt"
	"strings"
	"time"
)

import "math/rand"

const (
	F = 1 << iota
	B
	W
	FIZZ  = "Fizz"
	BUZZ  = "Buzz"
	WHIZZ = "WHIZZ"
)

func random(r *rand.Rand) []int {
	return r.Perm(9)
}

func permission(p, n int) {
	switch p {
	case F:
		fmt.Println(FIZZ)
	case B:
		fmt.Println(BUZZ)
	case W:
		fmt.Println(WHIZZ)
	case F | B:
		fmt.Println(FIZZ + BUZZ)
	case F | W:
		fmt.Println(FIZZ + WHIZZ)
	case B | W:
		fmt.Println(BUZZ + WHIZZ)
	case F | B | W:
		fmt.Println(FIZZ + BUZZ + WHIZZ)
	default:
		fmt.Println(n)
	}
}

func main() {
	var (
		now      = time.Now()
		r        = rand.New(rand.NewSource(now.Unix()))
		randNums = random(r)
		input    = []int{randNums[0] + 1, randNums[1] + 1, randNums[2] + 1}
		n        = 1
		count    = 100
	)

	fmt.Println("Input: ", input)
	for n < count {
		n++
		var res int
		if strings.Index(string(n), string(input[0])) == -1 {
			if n%input[0] == 0 {
				res |= F
			}
			if n%input[1] == 0 {
				res |= B
			}
			if n%input[2] == 0 {
				res |= W
			}
		} else {
			res |= F
		}
		permission(res, n)
	}
}

fbw.js

#!/bin/bash node --harmony

const FIZZ = 1
    , BUZZ = 2
    , WHIZZ = 4

function *random(nums) {
  while (nums.length) {
    var i = Math.floor(Math.random() * nums.length)
    yield nums[i]
    nums.splice(i, 1)
  }
}

function generate(n) {
  var res = []
  while (n > 0) {
    n--
    res.push(rgen.next().value)
  }
  return res
}

function permission(p, n) {
  switch (p) {
    case FIZZ:
      console.log('Fizz')
    break
    case BUZZ:
      console.log('Buzz')
    break
    case WHIZZ:
      console.log('Whizz')
    break
    case FIZZ|BUZZ:
      console.log('FizzBuzz')
    break
    case FIZZ|WHIZZ:
      console.log('FizzWhizz')
    break
    case BUZZ|WHIZZ:
      console.log('BuzzWhizz')
    break
    case FIZZ|BUZZ|WHIZZ:
      console.log('FizzBuzzWhizz')
    break
    default:
      console.log(n)
  }
}

var nums = '1 2 3 4 5 6 7 8 9'.split(' ')
var rgen = random(nums)

// generates three numbers
var input = generate(3)
var n = 0
var count = 100

console.log('input: ', input)
while (n < count) {
  n++
  var res = 0
  if (n.toString().search(input[0]) === -1) {
    if (n % input[0] === 0) 
      res |= FIZZ
    if (n % input[1] === 0) 
      res |= BUZZ
    if (n % input[2] === 0) 
      res |= WHIZZ
  } else {
    res |= FIZZ
  }

  permission(res, n)
}

fbw2.js

!function (p, m, i, c, l) {
  while (i++ < c) {
    l(((i + '').indexOf(p[0]) + 1) ? m[0] : (p.map(function (n, j) {
      return i % n ? '' : m[j]
    }).join('') || i))
  }
}([ 3, 5, 7 ], [ 'Fizz', 'Buzz', 'Whizz' ], 0, 100, console.log)