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Here is some sample code to get started:
This code creates a 5x5 grid of squares and adds a click event listener to each square. When a square is clicked, its background color changes to pink and the checkWin() function is called. The checkWin() function loops through all squares and checks if their background color is pink. If so, it sets the allColored variable to true. If all squares are colored, it displays a congratulatory message using the alertHisa() function.
You can customize this code to add more features like a timer, score, levels, and more. Good luck!