challenge-algorithms-v2.0-SabrinaMiranda/04-fibonacci/index.js

export function fibonacci(value) {
  if(value == 0) return 0;
  if(value == 1 || value == 2) return 1;

  let fib;
  let valorAnterior1 = 0;
  let valorAnterior2 = 1;

  for(let i = 2 ; i <= value ; i++) {
    fib = valorAnterior1 + valorAnterior2;
    valorAnterior1 = valorAnterior2;
    valorAnterior2 = fib;
  }

  return fib;
}