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

// Starting Conditions
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')
}

// Rolling Dice
btnRoll.addEventListener('click', function ()  {
    if (playing) {
        // Generating a random roll
        const dice = Math.trunc(Math.random() * 6) + 1

        // Display dice
        diceEl.classList.remove('hidden')
        diceEl.src = `dice-${dice}.png`

        // Check for roll 1 : if true , switch to next player
        if (dice !== 1) {
            // Add dice to current score
            currentScore += dice
            document.getElementById(`current--${activePlayer}`).textContent = currentScore
            current0El.textContent = currentScore
        } else {
            // Switch to the next player
            switchPlayer()
        }
    }
})

btnHold.addEventListener('click', function ()  {
    if (playing) {
        // Add current score to active player's score
        scores[activePlayer] += currentScore
        document.getElementById(`score--${activePlayer}`).textContent = scores[activePlayer]
        // Check if player's is >=100
        if (scores[activePlayer] >= 100) {
            // Finish the game
            playing = false
            diceEl.classList.add('hidden')
            document.querySelector(`.player--${activePlayer}`).classList.add('player--winner')
            document.querySelector(`.player--${activePlayer}`).classList.remove('player--active')
        } else {
            // Switch to the next player
            switchPlayer()
        }
    }
})

btnNew.addEventListener('click', init)