script.js

'use strict';

//Selecting elements 
const player0El = document.querySelector('.player--0');
const player1El = document.querySelector('.player--1');
const score0El = document.querySelector('#score--0');
const score1El = document.getElementById('score--1');
const current0El = document.getElementById('current--0');
const current1El = document.getElementById('current--1');

const diceEl = document.querySelector('.dice');
const btnNew = document.querySelector('.btn--new');
const btnRoll = document.querySelector('.btn--roll');
const btnHold = document.querySelector('.btn--hold');

let scores, currentScore, activePlayer, playing 

const init = function() {

    scores = [0,0]
    currentScore = 0
    activePlayer = 0
    playing = true

    score0El.textContent = 0
    score1El.textContent = 0
    current0El.textContent = 0
    current1El.textContent = 0

    diceEl.classList.add('hidden')
    player0El.classList.remove('player--winner')
    player1El.classList.remove('player--winner')
    player0El.classList.add('player--active')
    player1El.classList.remove('player--active')

}

init()

const switchPlayer =  function() {
    document.getElementById(`current--${activePlayer}`).textContent = 0
    currentScore = 0
    activePlayer = activePlayer === 0 ? 1 : 0
    player0El.classList.toggle('player--active')
    player1El.classList.toggle('player--active')
};

btnRoll.addEventListener('click', function(){

    if(playing)
    {
        //1. Generating a random dice roll
        const dice = Math.trunc(Math.random() * 6) +1
        //2. Display the dice
        diceEl.classList.remove('hidden')
        diceEl.src = `dice-${dice}.png`
        //3. Check for rolled 1 : if true, switch to next player

        if(dice!==1){
            //Add dice to current score
            currentScore+=dice
            document.getElementById(`current--${activePlayer}`).textContent = currentScore
        } else {
            //Switch to next player
            switchPlayer()
        }
    }
})

btnHold.addEventListener('click', function(){

    if(playing)
    {
        //1. Add current score to active player's score
        scores[activePlayer] += currentScore
        document.getElementById(`score--${activePlayer}`).textContent = scores[activePlayer]
        //2. Check if player's score is >=100
        // Finish the game
        if(scores[activePlayer]>=100) {
            playing = false
            diceEl.classList.add('hidden')
            document.querySelector(`.player--${activePlayer}`).classList.add('player--winner')
            document.querySelector(`.player--${activePlayer}`).classList.add('player--active')
        }

        else {
            //3. Switch to next player 
            switchPlayer()
        }
    }
})

btnNew.addEventListener('click', init)