JavaScript Question of the Day Feb. 6, 2025

In the following code:

let ball;

function main() {
    ball = new Circle(20);
    add(ball);
    setTimer(draw, 20);
}

function draw() {
    ball.move(2, 2);
}

main();

Which of the following statements are true about ball?
I – ball is a local variable
II – the ball variable in draw is different from the ball variable in main
III – ball is a global variable
IV – ball’s scope includes both main and draw

1. Correct Answer
   Incorrect Answer
   a

   I and II

2. Correct Answer
   Incorrect Answer
   b

   III and IV

3. Correct Answer
   Incorrect Answer
   c

   II only

4. Correct Answer
   Incorrect Answer
   d

   I, II, III, and IV