node-fizzbuzz/lib/index.js

Command-line function that prints the numbers from 1 to N. For multiples of three it prints “Fizz” instead of the number and for the multiples of five it prints “Buzz”. For numbers which are multiples of both three and five it prints “FizzBuzz

"use strict";

/*!
 *  FizzBuzz Solution for Node.js
 *  Author: Kevin Coughlin @kevintcoughlin
 *  MIT Licensed
 */

var args = process.argv.splice(2)
  , n;

// Default to 100
if (args[0] === undefined ? n = 100 : n = parseInt(args[0]));

// FizzBuzz Logic
for (var i = 1; i <= n; i++) {
	if ((i % 3 == 0) && (i % 5 == 0)) {
		console.log("FizzBuzz")
	} else if (i % 3 == 0) {
		console.log("Fizz")
	} else if (i % 5 == 0) {
		console.log("Buzz")
	} else {
		console.log(i)
	}
}