Задача про массивы

arr1 = [10, 20, 30, 40, 50];
arr2 = [0];


for (var i = 0; i < arr1.length; i++) {
    sum = 0

    for (var j = 0; j < arr2.length; j++) {
        sum += arr1[j]
    }

     arr2[arr2.length] = sum
}

print(arr2)