JavaScript/lesson-08/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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Objects -Rock Paper Scissors</title>

    <style>
        body {
            text-align: center;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        button {
            cursor: pointer;
            padding: 10px 20px;
            font-size: 1rem;
            background-color: white;
            color: black;
            border: 2px solid black;
            transition: all 0.1s linear;
            margin: 0 5px;
        }

        button:hover {
            background-color: black;
            color: white;
        }
    </style>
</head>

<body>
    <!--   🟨       🟨        🟨         🟨    -->
    <!--    0-------1/3--------2/3---------1     -->
    <!--      Rock   |   Paper  |  Scissors      -->

    <!--

        🟨Algorithm -> Code   (When we click a button)
        🟦1. Computer randomly selects a move.
        🟦2. Computer moves to get result.
        🟦3. Update a score.
        🟦4. Display the result and score in a popup.

     -->


    <button onclick="playGame('rock');">Rock</button>

    <button onclick="playGame('paper');">Paper</button>

    <button onclick="playGame('scissors');">Scissors</button>

    <!-- 🟨 -->
    <button onclick="score.wins=0; score.losses=0; score.ties=0; localStorage.removeItem('score');">Reset Score</button>


    <script>

        //🟨
        let score = JSON.parse(localStorage.getItem('score')) || {
            wins: 0,
            losses: 0,
            ties: 0
        }

        // 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 !';
                }
            }

            //🟨Algorithm -> CODE
            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));

            //🟨
            alert(`You picked ${ playerMove }. Computer picked ${ computerMove }. ${ result }
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>