function *fibonaciSeries(){
  let first = 0;
  let second = 0;
  let third = 0;
  let i = 0;
  while(true) {
    if(i== 0 || i==1) {
      first = 1;
      second =1;
      third = 1;
    } else {
       first = second;
       second = third;
      third = first + second;
    }
    i+=1;
    yield third;
  }
}

fibo = fibonaciSeries();

for(let i=0; i< 10; i++) {
  val = fibo.next();
  console.log(val.value);
}

You can call infinite loop or call .next() as much you want

To solve this problem, we'll use generator in Javascript. A generator is a function that returns (yield) sequence of results instead of a single result.

We define a generator function in JS as:

 function* fibonacci(){
// to be implemented
}

We implement the function above as:

function* fibonacci() {
  let a = 0, b = 1;  
  while (true) {
    yield a
    a = b, b =a +b;  
  }
}

You can test it like this:

const result = fibonacci()
console.log(result.next().value); //0
console.log(result.next().value); // 1
console.log(result.next().value); // 2
console.log(result.next().value); // 4
console.log(result.next().value); // 8
console.log(result.next().value); //16

Each time you call result.next().value, a new fibonacci number will be returned