function startGame() {
    myGamePiece = new component(paddleWidth, paddleHeight, "grey", paddleX, 440);
    myApponent = new component(apponentWidth, apponentHeight, "grey", apponentX, 30);
    myScore = new component("30px", "Consolas", "black", 280, 40, "text");
    myGameArea.start();
}