please help im lost
Write a recursive function, sum(arr, n)
, that returns the sum of the first n
elements of an array arr
.
function sum(arr, n) {
// Only change code below this line
if (n <= 0) {
return 1;
} else {
return sum(arr, n - 1) + arr[n - 1]
}
// Only change code above this line
}