Javascript Fibonacci sequence example

fibinacci.js

var f = function () {

  let p = 0, n = 1,t;

  return function () {
    t = p;
    p = n;
    n += t;
    return t;
  };
}


let fr = f();
for (let i = 0; i<=10;i++) {
  console.log(fr());
}