fibonacci even sum

by arosado417

JavaScript

var fib = [];
fib[0] = 1;
fib[1] = 2;

for(i=2; i<=50; i++) {
  fib[i] = fib[i-2] + fib[i-1];
  fib.push(fib[i]);
}

arrUnder4mil = [];
for (var i = 0; i < fib.length; i++) {
  if (fib[i] <= 1000000 && fib[i] %2 == 0) {
    arrUnder4mil.push(fib[i]);
  }
}

let fibSum = arrUnder4mil.reduce((a, b) => a + b, 0);
alert(fibSum);