Write me a JavaScript programm for a tennis game with $2$ avatars implementation, objects, arrays,splash screen,nestedloops, constructors, return function of at least $600$ lines of code and implement the score everytime one player score $,$the first player to $3$ points win the game and make a checkwin function if one player wins and make possible to choose avatar at the beginning of the game and right after choose level easy or hard with random plays on the levels and the ball move faster on level hard.