odin-default-js-exercises/10_fibonacci/fibonacci.js

26 lines
425 B
JavaScript

const fibonacci = function(fibLength) {
if (fibLength < 0) {
return "OOPS";
}
if (fibLength === 0) {
return 0;
}
let valueA = 0;
let valueB = 1;
for (i = 1; i < fibLength; i++) {
let tempValue = valueB;
valueB += valueA;
valueA = tempValue;
}
return valueB;
};
fibonacci('1')
// Do not edit below this line
module.exports = fibonacci;