Can anyone explain this. How the answer is 9?

Question

var i,j;
var c = 0;
for (i=1; i <=3;i++){
for(j=1; j<=2; j++){
c+=j;
}
}

alert(c);

Answer 1

First loop runs 3 time, and the nested one two times. At each iteration, we add 3 to c (j = 1 and j = 2).
Because the first loop runs 3 times, it is equal to 3 * 3 = 9

Answer 2

https://code.sololearn.com/WvI0Gd01yRTL/?ref=app

Answer 3

Innermost loop is running 3times due to outermost loop
Condition.i.e.,
Three time innermost loop runs due to outermost loop which makes c value 9.