JavaScript Question of the Day March 3, 2025

What does the following program do when a user tries to click and drag a graphic object on the canvas?

function main() {
   mouseDownMethod(secretAction);
}

function secretAction(e) {
    let secret = getElementAt(e.getX(), e.getY());
    if (secret != null) {
        secret.setColor(Randomizer.nextColor());
    }
}

// Assume there is additional code that creates one or more graphics objects

main();

1. Correct Answer
   Incorrect Answer
   a

   The program immediately changes the graphic’s color once to a random color.

2. Correct Answer
   Incorrect Answer
   b

   The graphic’s color will change to a random color as soon as the mouse button is released.

3. Correct Answer
   Incorrect Answer
   c

   The program continually changes the color of the graphic to a random color as it is dragged around the canvas.

4. Correct Answer
   Incorrect Answer
   d

   Nothing happens to the graphic when the user tries to click and drag it.