Revise paste Untitled

if(hasWon.length == 3) {
            for(let i = 0; i < 3; i++) {
                Array.from(document.getElementsByClassName("box"))[hasWon[i]].style.backgroundColor = winningblocks;

}
            playerText.innerText = currentPlayer + " has won!"
            for(let i = 0; i < 9; i++) {
                boxes[i].removeEventListener('click', boxClicked)
            }
            return 
        }

if(currentPlayer == xText) {
            currentPlayer = oText
        }
        else {
            currentPlayer = xText
        }
    }
}
function playerWon() {
    if(cells[0] == currentPlayer && cells[1] == currentPlayer && cells[2] == currentPlayer) {
        return [0, 1, 2]
    }
    if(cells[3] == currentPlayer && cells[4] == currentPlayer && cells[5] == currentPlayer) {
        return [3, 4, 5]
    }
    if(cells[6] == currentPlayer && cells[7] == currentPlayer && cells[8] == currentPlayer) {
        return [6, 7, 8]
    }
    if(cells[0] == currentPlayer && cells[3] == currentPlayer && cells[6] == currentPlayer) {
        return [0, 3, 6]
    }
    if(cells[0] == currentPlayer && cells[1] == currentPlayer && cells[2] == currentPlayer) {
        return [0, 1, 2]
    }
    if(cells[1] == currentPlayer && cells[4] == currentPlayer && cells[7] == currentPlayer) {
        return [1, 4, 7]
    }
    if(cells[2] == currentPlayer && cells[5] == currentPlayer && cells[8] == currentPlayer) {
        return [2, 5, 8]
    }
    if(cells[0] == currentPlayer && cells[4] == currentPlayer && cells[8] == currentPlayer) {
        return [0, 4, 8]
    }
    if(cells[2] == currentPlayer && cells[4] == currentPlayer && cells[6] == currentPlayer) {
        return [2, 4, 6]
    }
    return []
}
restartButton.addEventListener('click', restart)

startGame();