imperativeFibs.js

/* Demo of fibs in an imperative style
 * Made for benchmarking against a functional
 * style equivalent code
 */
 
function fib(max) {
  var ret = [0];
  var last = 0;
  var next = 1;
  var temp;
  do {
    ret.push(next);
    temp = next;
    next += last;
    last = temp;
  } while(next < max);
  return ret;
}

(function() {
  let r = fib(1000);
  console.log(r);
})();