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rock-paper-scissors.js
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rock-paper-scissors.js
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function initGame(scores) {
updateScore(scores)
buttons = document.querySelectorAll('button')
buttons.forEach( (button) => {
button.addEventListener('click', () => {
playerSelection = button.getAttribute('id')
if (scores['player'] < 5 && scores['computer'] < 5) {
playRound(playerSelection, computerPlay(), scores)
}
})
})
}
function playRound(playerSelection, computerSelection, scores) {
p = playerSelection
c = computerSelection
if (p == c) {
} else if (p == 'rock') {
c == 'scissors' ? scores['player'] += 1 : scores['computer'] += 1
} else if (p == 'scissors') {
c == 'paper' ? scores['player'] += 1 : scores['computer'] += 1
} else if (p == 'paper') {
c == 'rock' ? scores['player'] += 1 : scores['computer'] += 1
}
updateScore(scores)
updateMessage(p,c,scores)
hideOptions(scores)
}
function computerPlay() {
arr = ['rock','paper','scissors']
num = ( Math.floor( Math.random() * arr.length ) )
return arr[num]
}
function updateScore(scores) {
docScores = document.querySelectorAll('span')
docScores.forEach( (el)=> {
elId = el.getAttribute('id')
document.querySelector(`#${elId}`).textContent = scores[elId]
})
}
function updateMessage(p="", c="", s="") {
m = document.querySelector('h3')
if (p==s && c==s) {
m.textContent = 'Starting new game...'
} else {
m.textContent = `Player selects ${p} / Computer selects ${c}`
if (s['player'] >= 5) {
mWinner = document.createElement('div')
mWinner.textContent = 'Player Wins!'
m.appendChild(mWinner)
} else if (s['computer'] >= 5) {
mWinner = document.createElement('div')
mWinner.textContent ='Computer Wins >=D'
m.appendChild(mWinner)
}
}
}
function hideOptions(scores) {
btns = document.querySelectorAll('button')
if ( scores['player']>=5 || scores['computer']>=5) {
btns.forEach( (btn)=>{
btn.classList.toggle('invisible')
})
}
}
function resetGame(){
resetBtn = document.querySelector('#reset')
resetBtn.addEventListener('click', () => {
btns = document.querySelectorAll('button')
btns.forEach((btn)=>{
btn.classList.toggle('invisible')
})
resetScore = {'player': 0, 'computer':0}
initGame(resetScore)
updateMessage()
})
}
newScore = {'player': 0, 'computer':0}
initGame(newScore)
resetGame()