Error message is incorrect

[rubyplayer99629]

Use five console.log statements to print out the numbers 1 to 5.
1
2
3
ReferenceError: X is not defined

var x = 0;
console.log(++x);
console.log(++x);
console.log(++x);
console.log(++X);
console.log(++x);

[haxor789]

No it is correct you once used an uppercase X
PS: the 4th