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09-rock-paper-scissors.html
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09-rock-paper-scissors.html
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<!DOCTYPE html>
<html>
<head>
<title>Rock Paper Scissors</title>
</head>
<body>
<p>Rock Paper Scissors</p>
<button onclick="
playGame('rock');
">Rock</button>
<button onclick="
playGame('paper');
">Paper</button>
<button onclick="
playGame('scissors');
">Scissors</button>
<p class="js-result"></p>
<p class="js-moves"></p>
<p class= "js-score"></p>
<button onclick="
score.wins = 0;
score.losses = 0;
score.ties = 0;
localStorage.removeItem('score');
updateScoreElement();
">Reset Score</button>
<script>
let score = JSON.parse(localStorage.getItem('score')) || {
wins: 0,
losses: 0,
ties: 0
};
updateScoreElement();
/*
if(!score) {
score = {
wins: 0,
losses: 0,
ties: 0
};
}
*/
function playGame(playerMove){
const computerMove = pickComputerMove();
let result = '';
if(playerMove === 'scissors'){
if(computerMove === 'rock'){
result ='You lose';
}else if(computerMove === 'paper'){
result = 'You win';
}else if(computerMove === 'scissors'){
result = 'Tie.';
}
} else if(playerMove === 'paper'){
if(computerMove === 'rock'){
result ='You win';
}else if(computerMove === 'paper'){
result = 'Tie.';
}else if(computerMove === 'scissors'){
result = 'You lose';
}
}else if(playerMove === 'rock'){
if(computerMove === 'rock'){
result ='Tie.';
}else if(computerMove === 'paper'){
result = 'You lose';
}else if(computerMove === 'scissors'){
result = 'You win';
}
}
if(result === 'You win'){
score.wins += 1;
}else if(result === 'You lose'){
score.losses += 1;
}else if(result === 'Tie.'){
score.ties += 1;
}
localStorage.setItem('score', JSON.stringify(score));
updateScoreElement();
document.querySelector('.js-result')
.innerHTML = result;
document.querySelector('.js-moves')
.innerHTML = `You ${playerMove} - ${computerMove} Computer`;
}
function updateScoreElement(){
document.querySelector('.js-score')
.innerHTML = `Wins: ${score.wins}, losses: ${score.losses}, Ties: ${score.ties}`;
}
function pickComputerMove() {
const randomNumber = Math.random();
let computerMove = '';
if(randomNumber >= 0 && randomNumber< 1 / 3){
computerMove = 'rock';
} else if(randomNumber >= 1 / 3 && randomNumber < 2 / 3){
computerMove ='paper';
}else if(randomNumber >= 2 / 3 && randomNumber< 1){
computerMove = 'scissors';
}
return computerMove;
}
</script>
</body>
</html>