Remote Work 12/15

countdown.js

function countdown(n) {
  if (n < 0) { return n };
  console.log(n);
  countdown(n-1);
}

countdown(4);

factorial.js

function* factorialGenerator() {
  var num = 1;
  var old_val = 1;
  while (true) {
    if (num === 1) {
      yield 1;
      num++;
    } else {
      value = (num * old_val);
      old_val = value;
      num++;
      yield value;
    }
  }
}

var factorial = factorialGenerator();

fibonacci.js

function fibonacci(n) {
  if (n === 1) {
    return [1];
  } else if (n <= 2) {
    return [1, 1];
  }
  else {
    var fibs = fibonacci(n - 1);
    fibs.push(fibs[fibs.length - 1] + fibs[fibs.length - 2]);
    return fibs;
  }
};

 console.log(fibonacci(10));