rockPaperScissors.js

// Rock, Paper, Scissors - Challenge


let userChoice = 'Rock';


function computerChoice() {
    let number = Math.round((Math.random() * 3) + 1);
    if (number < 1) {
        computerChoice();
    }
    if (number === 1) {
        return 'Rock';
    } else if (number === 2) {
        return 'Paper';
    } else if (number === 3) {
        return 'Scissors';
    } else {
        return 'There was an unknown error.';
    }
}


function checkWinner(userChoice, computerChoice) {
    if (userChoice == 'Rock' && computerChoice == 'Rock') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Tie!');
        return 'Tie!';
    } else if (userChoice == 'Rock' && computerChoice == 'Paper') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Computer wins!');
        return 'Computer wins!';
    } else if (userChoice == 'Rock' && computerChoice == 'Scissors') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('User wins!');
        return 'User wins!';
    } else if (userChoice == 'Paper' && computerChoice == 'Rock') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('User wins!');
        return 'User wins!';
    } else if (userChoice == 'Paper' && computerChoice == 'Paper') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Tie!');
        return 'Tie!';
    } else if (userChoice == 'Paper' && computerChoice == 'Scissors') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Computer wins!');
        return 'Computer wins!';
    } else if (userChoice == 'Scissors' && computerChoice == 'Rock') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Computer wins!');
        return 'Computer wins!';
    } else if (userChoice == 'Scissors' && computerChoice == 'Paper') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('User wins!');
        return 'User wins!';
    } else if (userChoice == 'Scissors' && computerChoice == 'Scissors') {
        console.log(`User: ${userChoice}, Computer: ${computerChoice}.`);
        console.log('Tie!');
        return 'Tie!';
    } 
}


checkWinner(userChoice, computerChoice());