Whack-A-Mole

Requirements

• Render nine holes with one active mole while playing. The supplied layout and CSS are complete.
• Start a 30-second round, or a 5-second quick round. Show score and remaining whole seconds.
• Choose a random hole immediately and every 700 ms. Do not choose the same hole in consecutive appearances.
• A successful hit adds one point and hides that mole. Empty holes and repeated hits do not change the score.
• At the deadline, stop all timers, hide the mole, show the final score, and disable the holes.
• Starting another round cancels previous timers and resets score and time. Clear timers when the component unmounts.

Examples

Input: Hit the active mole once
Output: 1 point; mole disappears