solve problem

Question

Why the output is 6?! could you explain that to me, please?!

var x = 0;
while(x<6) {
x++;
}
document.write(x);

Answer 1

0 < 6;
x++
x = 1

1 < 6;
x++
x = 2

2 < 6;
x++
x = 3

3 < 6;
x++
x = 4

4 < 6;
x++
x = 5

5 < 6;
x++
x = 6
6 < 6; // false
while loop exit
document.write (x)