JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function fibonacci(n) {
    var sum = 0;
    var arr = [1, 2];
    for (var i = 2; i < n; i++) {
        arr[i] = arr[i - 1] + arr[i - 2];
    }
    return arr;
}

function addArrayEvenValues(n,arr) {
    var sum = 0.0; 
    for (var i = 0; i <= arr.length; i++) {
        if (arr[i] % 2 == 0) {
            sum += arr[i];
        }
    }
    return sum;
}
fib =fibonacci(4000);
console.log(fib);
console.log(addArrayEvenValues(5,fib));