Why 4

Question

var x=new Array(1,2,3,4,5);
var count=0;
for (var i = 0; i < 5; i++) {
if (x[i]>i)
count=count+1

}
alert(count)

Answer 1

count=0
x[0]>0? = 1>0? True, so count=1
2>1? True, count=2
3>2? count=3
4>3? count=4
5>4? count=5

alert(5)