Online-Game-using-HTML-JavaScript-CSS/index.html at master · priya28139/Online-Game-using-HTML-JavaScript-CSS · GitHub

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<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>Assignment3 Part2</title>
    <style>
        .numbers {
            background-color: Transparent;
            border: none;
            cursor: pointer;
            outline: none;
            font-size: 85px;
            margin: 60px;
            padding: 15px;
        }

        body {
            text-align: center;
            font-size: 20px;
            font-family: Raleway, sans-serif;
            background: linear-gradient(to right, #4776e6, #8e54e9);
        }

        .header {
            font-size: 28px;
            padding: 30px;
            font-family: Raleway, sans-serif;
            background-color: black;
            margin: 0px;
            color: white;
        }

        button {
            background-color: rgb(38, 38, 38);
            color: white;
            border: none;
            padding: 20px;
            font-size: 18px;
            border-radius: 20%;
        }
    </style>
</head>

<body>
    <div class="header">The Game </div>
    <br/>
    <div>
        <button type="button" onclick="startGame();">Start Game</button>
        <button type="button" onclick="stopGame();">Stop Game</button>
    </div>
    <br/>

    <div id="game">
        <h1 style="display:none;font-size:32px;font-family:'Book Antiqua'" id="a1">Your chosen number is : <span id="num" style="color:white;"></span></h1>
        <br/>
        <h1 style="display:none;font-size:32px;font-family:'Book Antiqua'" id="a2">Your score till now is: <span id="score" style="color:white;"></span>
  </h1>
        <br/>
        <button class="numbers" id="1" onclick="updateScore(1);"><span id="number1" style="color:black
;"></span></button>
        <button class="numbers" id="2" onclick="updateScore(2);"><span id="number2" style="color:black;"></span></button>
        <button class="numbers" id="3" onclick="updateScore(3);"><span id="number3" style="color:black;"></span></button>

    </div>

    <script>
        var number;
        var started = false;

        var score = 0;
        var numDisplay = document.getElementById("num");
        var scoreDisplay = document.getElementById("score");
        var number1 = document.getElementById("number1");
        var number2 = document.getElementById("number2");
        var number3 = document.getElementById("number3");

        var random1;
        var random2;
        var random3;
        var refreshInterval;

        function startGame() {
            if (!started) {
                number = prompt("Choose a number between 0 and 9");
                if (number == null || number == "") {
                    alert("Enter a field to start the game.");
                    return false;
                }

                if (isNaN(number)) {
                    alert("The input must be a number.");
                    return false;
                } else if (parseInt(number) < 0 || parseInt(number) > 9) {
                    alert("The number entered must be between 0 and 9");
                    return false;
                }

                number = parseInt(number);

                var back = document.getElementById("game");
                back.style.background = "hsla(0, 0%, 100%,0.5)";
                back.style.padding = "40px";
                document.getElementById("a1").style.display = "inline";
                document.getElementById("a2").style.display = "inline";
                score = 0;

                numDisplay.innerHTML = number;
                scoreDisplay.innerHTML = score;
                changeNumber();

                refreshInterval = setInterval(changeNumber, 1000);

                started = true;
            } else {

                alert("You must stop the game before you start it again!");
            }
        }

        function updateScore(choice) {

            if (!started) {
                alert("You cannot play the game in stop mode!");
                return false;
            }

            switch (choice) {

                case 1:
                    if (random1 == number) {
                        score++;
                        scoreDisplay.innerHTML = score;
                    } else {
                        score--;
                        scoreDisplay.innerHTML = score;
                    }
                    break;

                case 2:
                    if (random2 == number) {
                        score++;
                        scoreDisplay.innerHTML = score;
                    } else {
                        score--;
                        scoreDisplay.innerHTML = score;
                    }
                    break;

                case 3:
                    if (random3 == number) {
                        score++;
                        scoreDisplay.innerHTML = score;
                    } else {
                        score--;
                        scoreDisplay.innerHTML = score;
                    }
                    break;

            }

        }

        function changeNumber() {

            random1 = Math.floor(Math.random() * 10);
            random2 = Math.floor(Math.random() * 10);
            random3 = Math.floor(Math.random() * 10);
            number1.innerHTML = random1;
            number2.innerHTML = random2;
            number3.innerHTML = random3;

        }

        function stopGame() {

            if (!started) {
                alert("You must start/re-start the game before you can stop it!");
                return false;
            }
            clearInterval(refreshInterval);
            started = false;

        }
    </script>
</body>

</html>