Fibonacci number

ecma/function/fibonacci-number/code/fibonacci-number.mjs:

function fibonacci(number) {
  // TODO
}

export { fibonacci };

ecma/function/fibonacci-number/code/fibonacci-number.print.mjs:

import { fibonacci } from './fibonacci-number.mjs';

// Fibonacci series

// making the 0th number
console.log(fibonacci(0));
console.log(undefined);

// making the 1st numbers
console.log(fibonacci(1));
console.log(0);

// making the 2nd numbers
console.log(fibonacci(2));
console.log(1);

// making the 4th numbers
console.log(fibonacci(4));
console.log(2);

// making the 6th numbers
console.log(fibonacci(6));
console.log(5);

Response