Reaction game

Create a reaction game

• Step 1: Use a timing function with a delay of 750ms to repeatedly generate a random number (1, 2 or 3) and add the red class to the corresponding block
  (NOTE/TIP: the generated number/corresponding block must differ from the previous number/block, so generate a new random number until it differs from the previous one)
• Step 2: Add a click event to all 3 blocks. If clicked when the block is red:
  • The block temporarily^* gets a green background color (TIP: class green)
  • Your score is increased by 1 point, and this score is temporarily^* shown in the clicked block

  ^* Make sure that the green background color and score is removed when a new red block is selected (Step 1)

• Step 3: The game stops when you scored 5 points