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script.js
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script.js
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'use strict';
const player0El = document.querySelector('.player--0');
const player1El = document.querySelector('.player--1');
const score0El = document.querySelector('#score--0');
const score1El = document.getElementById('score--1'); // we can also use getelement by id to select id
const currentScore0El = document.getElementById('current--0');
const currentScore1El = 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; // setting variables as global so that it can be used everywhere
const init = function () {
scores = [0, 0];
currentScore = 0;
activePlayer = 0;
playing = true;
// starting conditions
score0El.textContent = 0;
score1El.textContent = 0;
diceEl.classList.add('hidden');
player0El.classList.remove('player--winner');
player1El.classList.remove('player--winner');
player0El.classList.add('player--active'); // player 1 should always be the current player
player1El.classList.remove('player--active');
currentScore0El.textContent = 0;
currentScore1El.textContent = 0;
};
init(); // ======== this function should always run, when the page load ========
// =========== switching to next player function ===========
const switchPlayer = function () {
document.getElementById(`current--${activePlayer}`).textContent = 0;
currentScore = 0;
activePlayer = activePlayer === 0 ? 1 : 0;
player0El.classList.toggle('player--active');
player1El.classList.toggle('player--active');
};
// ============================ Rolling the dice ============================
btnRoll.addEventListener('click', function () {
if (playing) {
// ============= this click function will only work while the playing value is true =============
// 1. Generate a random dice
const dice = Math.trunc(Math.random() * 6) + 1;
// console.log(dice);
// 2. Display the dice
diceEl.classList.remove('hidden');
diceEl.src = `dice-${dice}.png`;
// Checking if score is more than 1
if (dice !== 1) {
currentScore += dice;
document.getElementById(`current--${activePlayer}`).textContent =
currentScore;
} else {
// switch the palyer
switchPlayer();
}
}
});
// ============================ Holding the score ============================
btnHold.addEventListener('click', function () {
if (playing) {
// ============= this click function will only work while the playing value is true =============
// 1. add current score to active player
scores[activePlayer] += currentScore;
// scores[1] = scores[1] + currentScore
document.getElementById(`score--${activePlayer}`).textContent =
scores[activePlayer];
// 2. check if active player score >= 100
// active player win
if (scores[activePlayer] >= 20) {
diceEl.classList.add('hidden');
document
.querySelector(`.player--${activePlayer}`)
.classList.add('player--winner');
document
.querySelector(`.player--${activePlayer}`)
.classList.remove('player--active');
playing = false; // ======== for the first time we are setting the playing value false if someone win ========
} else {
// 3. Swtich player
switchPlayer();
}
}
});
btnNew.addEventListener('click', init);