var ball = document.querySelector(".ball")
var leftPaddle = document.querySelector(".left.paddle")
var rightPaddle = document.querySelector(".right.paddle")
var leftScore = document.querySelector(".left.score")
var rightScore = document.querySelector(".right.score")

leftPaddle.addEventListener("mousemove", function(event) {
    leftPaddle.style.top = event.pageY + "px"
})

rightPaddle.addEventListener("mousemove", function(event) {
    rightPaddle.style.top = event.pageY + "px"
})

// window.setInterval(function() {
//     // ball.style.left += ...
// }, 1000 / 60)