var fizzBuzz = function () {
  var i, output;
  for (i = 1; i < 101; i += 1) {
    output = '';
    if (!(i % 3)) { output += 'Fizz'; }
    if (!(i % 5)) { output += 'Buzz'; }
    console.log(output || i);//empty string is false, so we short-circuit
  }
};