100-JS-Projects-Challenge/Math.html at main · AkhtarZeb5101/100-JS-Projects-Challenge · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Math Game</title>
    <!-- Google Font -->
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@500;600&display=swap" rel="stylesheet" />
    <!-- Custom Styles -->
    <style>
        body {
            background: linear-gradient(135deg, rgba(52, 152, 219, 0.8), rgba(155, 89, 182, 0.8));
            font-family: "Roboto", sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            overflow: hidden;
        }

        .container {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2em;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            max-width: 400px;
            width: 100%;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .container:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        h3 {
            font-size: 2.2em;
            color: #080808;
            margin-bottom: 1em;
            font-weight: 600;
        }

        #question {
            font-size: 2.5em;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 1.5em;
        }

        input {
            font-size: 1.2em;
            width: 109px;
            padding: 0.8em;
            text-align: center;
            border: 2px solid #3498db;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            margin-bottom: 1.5em;
            outline: none;
            transition: border 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            left: 92px;
            top: -36px;
        }

        input:focus {
            border-color: #8e44ad;
            box-shadow: 0 0 10px rgba(142, 68, 173, 0.7);
        }

        .btn-custom {
            font-size: 1.3em;
            font-weight: 600;
            padding: 0.8em 2.5em;
            background-color: #0a314b;
            color: #fff;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.3s ease;
            position: relative;
            top: 25 px;
            left: 4px;
        }

        .btn-custom:hover {
            background-color: #2980b9;
            transform: translateY(-3px);
        }

        .btn-custom:disabled {
            background-color: #bdc3c7;
            cursor: not-allowed;
        }

        .result-message {
            font-size: 1.6em;
            color: #ffffff;
            margin-top: 1em;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        #error-msg {
            color: #e74c3c;
            margin-top: 3em;
            font-size: 1.2em;
            display: none;
        }

        .hide {
            display: none;
        }

        .highlight {
            color: #8e44ad;
            font-weight: bold;
        }

        @media (max-width: 600px) {
            .container {
                padding: 2em;
            }

            h3 {
                font-size: 1.8em;
            }

            #question {
                font-size: 2.2em;
            }

            input {
                width: 100px;
                font-size: 1.4em;
            }

            .btn-custom {
                padding: 0.6em 2em;
            }
        }
    </style>
</head>

<body>
    <div class="container">
        <h3>Choose the Correct Number Or Operator</h3>
        <div id="question"></div>
        <input type="text" id="inputValue" placeholder="?" class="form-control hide" />
        <button id="submit-btn" class="btn btn-custom hide"
            style="position: relative; top:60px; left:-px">Submit</button>
        <p id="error-msg">Please fill in a valid answer.</p>
        <div class="result-message" id="result"></div>
        <button id="start-btn" class="btn btn-custom">Start Game</button>
    </div>

    <script>
        const operators = ["+", "-", "*"];
        const startBtn = document.getElementById("start-btn");
        const question = document.getElementById("question");
        const submitBtn = document.getElementById("submit-btn");
        const errorMessage = document.getElementById("error-msg");
        const resultMessage = document.getElementById("result");
        const inputField = document.getElementById("inputValue");
        let answerValue;
        let operatorQuestion;
        let questionText;

        const randomValue = (min, max) => Math.floor(Math.random() * (max - min)) + min;

        const questionGenerator = () => {
            let [num1, num2] = [randomValue(1, 20), randomValue(1, 20)];
            let randomOperator = operators[Math.floor(Math.random() * operators.length)];

            // Avoid negative results for subtraction (if num2 is greater than num1)
            if (randomOperator == "-" && num2 > num1) {
                [num1, num2] = [num2, num1];
            }

            let solution = eval(`${num1}${randomOperator}${num2}`);
            let randomVar = randomValue(1, 5); // Randomly select which part is missing

            // Handling each case where "?" should appear
            if (randomVar == 1) {
                answerValue = num1;
                questionText = `? ${randomOperator} ${num2} = ${solution}`;  // Missing number 1
            } else if (randomVar == 2) {
                answerValue = num2;
                questionText = `${num1} ${randomOperator} ? = ${solution}`;  // Missing number 2
            } else if (randomVar == 3) {
                answerValue = randomOperator;
                operatorQuestion = true;
                questionText = `${num1} ? ${num2} = ${solution}`;  // Missing operator
            } else {
                answerValue = solution;
                questionText = `${num1} ${randomOperator} ${num2} = ?`;  // Missing result
            }

            // Ensure the question is updated with the question text correctly
            question.innerHTML = questionText;
        };

        startBtn.addEventListener("click", () => {
            resultMessage.textContent = "";
            errorMessage.style.display = "none";
            startBtn.style.display = "none";
            submitBtn.classList.remove("hide");
            inputField.classList.remove("hide");
            questionGenerator();
        });

        submitBtn.addEventListener("click", () => {
            let userInput = inputField.value.trim();
            errorMessage.style.display = "none";
            resultMessage.style.opacity = 1;

            if (userInput) {
                if (userInput == answerValue) {
                    resultMessage.innerHTML = `Yippie!! <span class="text-success">Correct</span> Answer`;

                    // Replace the '?' with the correct answer in the question
                    let updatedQuestion = questionText.replace('?', `<span class="highlight">${userInput}</span>`);
                    question.innerHTML = updatedQuestion;
                } else if (operatorQuestion && !operators.includes(userInput)) {
                    errorMessage.textContent = "Please enter a valid operator (+, -, *)";
                    errorMessage.style.display = "block";
                    resultMessage.innerHTML = `Oops!! <span class="text-danger">Wrong</span> Answer`;
                } else {
                    resultMessage.innerHTML = `Oops!! <span class="text-danger">Wrong</span> Answer`;
                }

                inputField.value = '';

                setTimeout(() => {
                    resultMessage.style.opacity = 0;
                    errorMessage.style.display = "none";
                    inputField.classList.add("hide");
                    submitBtn.classList.add("hide");
                    startBtn.style.display = "inline-block";
                }, 1500);
            } else {
                errorMessage.textContent = "Input Cannot Be Empty";
                errorMessage.style.display = "block";
            }
        });
    </script>
</body>

</html>