Loops in ECMAScript 6 , whats wrong with my code?

Question

Write a program to count and output to the console the number of students who pass the exam.

let scores = [68,95,54,84,77,75,63,74,69,80,71,63];

var count =0;
for(let sc of scores){
if(sc >= 70){
count ++
}
}

Answer 1

What's wrong or error you are getting? Mention it.

But no output because no output statement.

Answer 2

My bad, thanks