JavaScript/lesson-09/RockPaper.html at main · deep100x/JavaScript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
<!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>