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

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

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Percentage Calculator</title>
    <!-- Bootstrap CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">

    <style>
        body {
            background-color: #f1f1f1;
            /* Light grey background */
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            font-family: 'Arial', sans-serif;
            color: #333;
        }

        .card {
            width: 100%;
            max-width: 380px;
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
            background: linear-gradient(to top right, #64b5f6, #2196f3);
            /* Soft blue gradient */
        }

        h1 {
            font-size: 24px;
            text-align: center;
            color: #0d47a1;
            /* Dark blue for the heading */
            font-weight: 700;
            margin-bottom: 20px;
        }

        .form-control {
            border: 2px solid #1976d2;
            /* Blue border for input fields */
            border-radius: 8px;
            font-size: 14px;
            padding: 8px;
            margin-bottom: 10px;
        }

        .form-control:focus {
            border-color: #1565c0;
            /* Darker blue on focus */
            box-shadow: 0 0 8px rgba(0, 87, 107, 0.5);
        }

        .btn {
            text-transform: uppercase;
            font-weight: 700;
            font-size: 14px;
            width: 100%;
            padding: 10px;
            border-radius: 8px;
            background-color: #1976d2;
            /* Blue button background */
            color: #fff;
            border: none;
            margin-top: 10px;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .btn:hover {
            background-color: #1565c0;
            /* Darker blue on hover */
            cursor: pointer;
            transform: scale(1.05);
        }

        .reset-btn {
            background-color: #d32f2f;
            /* Red button for reset */
            margin-top: 10px;
        }

        .reset-btn:hover {
            background-color: #c62828;
            cursor: pointer;
        }
    </style>
</head>

<body>

    <div class="card">
        <h1>Percentage Calculator</h1>

        <!-- First Calculation (Percentage of a Number) -->
        <div class="mb-3">
            <input type="number" class="form-control d-inline" id="percent"
                placeholder="Enter percentage to calculate" />
            <input type="number" class="form-control d-inline" id="num" placeholder="Enter number to calculate from" />
            <button class="btn" onclick="percentage_1()">Calculate</button>
            <div class="mt-2">
                <input type="text" class="form-control" id="value1" readonly placeholder="Result will appear here" />
            </div>
        </div>

        <!-- Second Calculation (What Percent is this of a Number) -->
        <div class="mb-3">
            <input type="number" class="form-control d-inline" id="num1" placeholder="Enter part to calculate" />
            <input type="number" class="form-control d-inline" id="num2" placeholder="Enter total to calculate from" />
            <button class="btn" onclick="percentage_2()">Calculate</button>
            <div class="mt-2">
                <input type="text" class="form-control" id="value2" readonly placeholder="Result will appear here" />
            </div>
        </div>

        <!-- Reset Button -->
        <button class="btn reset-btn" onclick="resetFields()">Reset</button>

    </div>

    <!-- Bootstrap JS and Popper.js -->
    <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.min.js"></script>

    <script>
        function percentage_1() {
            let percent = document.getElementById("percent").value;
            let num = document.getElementById("num").value;

            if (percent && num) {
                let result = (num / 100) * percent;
                document.getElementById("value1").value = result.toFixed(2);
            } else {
                alert("Please enter both the percentage and the number.");
            }
        }

        function percentage_2() {
            let num1 = document.getElementById("num1").value;
            let num2 = document.getElementById("num2").value;

            if (num1 && num2) {
                let result = (num1 * 100) / num2;
                document.getElementById("value2").value = result.toFixed(2) + "%";
            } else {
                alert("Please enter both the part and the total.");
            }
        }

        // Reset function to clear inputs and results
        function resetFields() {
            document.getElementById("percent").value = "";
            document.getElementById("num").value = "";
            document.getElementById("value1").value = "";
            document.getElementById("num1").value = "";
            document.getElementById("num2").value = "";
            document.getElementById("value2").value = "";
        }
    </script>

</body>

</html>