A Pen by Evelyn Rios.

Rock,-Paper,-Scissors.markdown

Rock, Paper, Scissors

A Pen by Evelyn Rios on CodePen.

License.

script.js

var Choice = ("yes");
var computerScore = 0;
var userScore = 0;

var playRPS = function (Choice, computerScore, userScore) {
    var userChoice = 0;
    do {
        if (Choice.toLowerCase() == ("yes")) {
            userChoice = prompt("This is a game of Rock-Paper-Scissors. Do you choose rock, paper or scissors?");
            if (userChoice.toLowerCase() == "no") {
                alert("Thanks for playing... Goodbye!");
                return;
            }
        } else {
            userChoice = Choice;
        }
    } while (userChoice.toLowerCase() !== "rock" && userChoice.toLowerCase() !== "paper" && userChoice.toLowerCase() !== "scissors");
    var computerChoice = Math.random();
    if (computerChoice < 0.34) {
        computerChoice = "rock";
    } else if (computerChoice <= 0.67) {
        computerChoice = "paper";
    } else {
        computerChoice = "scissors";
    }
    var compare = function (choice1, choice2) {
        if (choice1 == choice2) {
            return ("tie");
        } else if (choice1 == ("rock")) {
            if (choice2 == ("scissors")) {
                userScore++;
                return ("You picked rock. The computer picked scissors. Rock beats scissors, so you win! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            } else {
                computerScore++;
                return ("You picked rock. The computer picked paper. Paper beats rock, so the computer wins! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            }
        } else if (choice1 == ("paper")) {
            if (choice2 == ("rock")) {
                userScore++;
                return ("You picked paper. The computer picked rock. Paper beats rock, so you win! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            } else {
                computerScore++;
                return ("You picked paper. The computer picked scissors. Scissors beats paper, so the computer wins! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            }
        } else if (choice1 == ("scissors")) {
            if (choice2 == ("rock")) {
                computerScore++;
                return ("You picked scissors. The computer picked rock. Rock beats scissors, so the computer wins! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            } else {
                userScore++;
                return ("You picked scissors. The computer picked paper. Scissors beats paper, so you win! The score is: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " .");
            }
        }
    };
    var result = compare(userChoice.toLowerCase(), computerChoice);
    if (result === "tie") {
        var playAgain = prompt("You and the computer both picked " + (userChoice.toLowerCase()) + ". The result is a tie. The score is still: YOU - " + (userScore) + ", COMPUTER - " + (computerScore) + " . Try again!");
      //  playRPS("yes", computerScore, userScore);
    } else {
        var playAgain = prompt(result + " Do you want to play again?");
        
    }
        var options = ["rock", "paper", "scissors"];
        if (playAgain.toLowerCase() == ("yes")) {
            playRPS("yes", computerScore, userScore);
        } else if (options.indexOf(playAgain.toLowerCase()) !== -1) {
            playRPS(playAgain, computerScore, userScore);
        } else {
            alert("Thanks for playing. Goodbye!");
        }
};
playRPS("yes", 0 , 0);