Array Sums With Recursion

function fun_11() {
    var array = [
            [1, 2, 3, 4],
            [5, 6, 7, 8],
            [9, 10, 11, 12],
            [13, 14, 15, 16]
        ];

    function recursiveLineSum(arr, row, maxRowSum) {
        var sum = 0;

        if (row >= arr.length) {
            return maxRowSum;
        }

        arr[row].forEach(function (element) {
            sum += element;
        });

        if (sum > maxRowSum) {
            maxRowSum = sum;
        }

        return recursiveLineSum(arr, row + 1, maxRowSum);
    }

    function recursiveColSum(arr, column, maxColSum) {
        var i = 0,
            tempSum = 0;

        if (column >= arr.length) {
            return maxColSum;
        }

        for (; i < arr.length; i += 1) {
            tempSum += arr[i][column];
        }

        if (tempSum >= maxColSum) {
            maxColSum = tempSum;
        }

        return recursiveColSum(arr, column + 1, maxColSum);
    }

    console.log(recursiveLineSum(array, 0, 0));
    console.log(recursiveColSum(array, 0, 0));
}

fun_11();