Ejemplo de un ES6 Generator

generator-howto.js

function* fizzBuzz () {
  let i = 0;
  while (i <= 100) {
    i++;
    let response = '';
    
    if (i % 3 === 0) response += 'Fizz';
    if (i % 5 === 0) response += 'Buzz';
    
    if (response === '') yield i;
    else yield response;
  }
}

for (let numero of fizzBuzz()) {
  console.log(numero);
}