Help me complete this example. Write output of the code after:?

JavaScript
1

var numbers = [2, 4, 6, 8];
var counter = 0;
var sum = 0;
while (counter < numbers.length) {
sum += numbers[counter];
counter++;
}
console.log(sum);

3

what is the out put of the following code?
var numbers = [2, 4, 6, 8];
var counter = 0;
var sum = 0;
while (counter < numbers.length) {
sum += numbers[counter];
counter++;
}
console.log(sum);