rps.html

<script>

  function computerPlay() {
    let num = Math.floor(Math.random() * 3);
    if (num == 0) {
      return "Rock";
    }
    else if (num == 1) {
      return "Paper"
    }
    else if (num == 2) {
      return "Scissors"
    }
  }

  function playRound(player, cpu) {
    let mine = player.toUpperCase();
    let computer = cpu.toUpperCase();
    if ((computer == "ROCK" && mine == "SCISSORS")
      || (computer == "PAPER" && mine == "ROCK")
      || (computer == "SCISSORS" && mine == "PAPER")) {
      return "You Lose! " + computer + " beats " + mine;
    }
    else if ((computer == "PAPER" && mine == "SCISSORS")
      || (computer == "SCISSORS" && mine == "ROCK")
      || (computer == "ROCK" && mine == "PAPER")) {
      return "You Win! " + mine + " beats " + computer;
    }
    else {
      return "Draw! " + mine + " draws with " + computer;
    }
  }

  function playGame() {
    let playerscore = 0;
    let computerscore = 0;
    for (i = 0; i < 5; i++) {
      let player = prompt("What do you choose?");
      let computer = computerPlay();
      let result = playRound(player, computer);
      let exclaim = result.indexOf("!");
      let compare = result.slice(0, exclaim);
      if (compare == "You Lose") {
        console.log("Computer wins round " + (i + 1));
        computerscore += 1;
      }
      else if (compare == "You Win") {
        console.log("You win round " + (i + 1));
        playerscore += 1;
      }
      else {
        console.log("You drew round " + (i + 1));
      }

    }
    if (playerscore > computerscore) {
      console.log("You win!");
    }
    else if (computerscore > playerscore) {
      console.log("You lose!");

    }
    else {
      console.log("You drew!");
    }
  }
</script>