100-JS-Projects-Challenge/NumberToRomanConverter.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>Number To Roman Converter</title>
    <!-- Add Bootstrap CSS -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-KyZXEJv3v1iooF1QsMCQXM4V8ZQdpROoOnwyyj4zvc9t+Kn0rjsZmno+fqtcwsdr" crossorigin="anonymous">

    <!-- Google Font for Roboto -->
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap" rel="stylesheet">

    <style>
        body {
            background-color: #d4edda;
            /* Light pastel green background */
            font-family: Arial, Helvetica, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        .container {
            background-color: #ffffff;
            max-width: 450px;
            padding: 3em 2em;
            border-radius: 0.8em;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            /* Slight shadow for the container */
        }

        .input-wrapper {
            display: flex;
            gap: 1em;
        }

        input {
            padding: 1em 0.5em;
            color: #5a5a5a;
            /* Darker text color for input */
            border: 2px solid #B0C4DE;
            /* Soft gray-blue border */
        }

        input:focus {
            border-color: #A2C2E1;
            /* Lighter blue when focused */
        }

        button {
            border: none;
            background-color: #6495ED;
            /* Soft blue button color */
            color: #ffffff;
            padding: 1em 1.5em;
            font-size: 1em;
            cursor: pointer;
        }

        input,
        button {
            font-size: 1em;
            outline: none;
            border-radius: 0.5em;
        }

        #output {
            font-size: 1.2em;
            text-align: center;
            font-weight: 600;
            color: #5a5a5a;
            margin-top: 2em;
        }

        #output span {
            font-size: 0.9em;
        }
    </style>
</head>

<body>
    <div class="container text-center">
        <h3 class="mb-4">Number To Roman Converter</h3>
        <div class="input-wrapper mb-4">
            <input type="number" id="input" class="form-control" placeholder="Enter Number Here..." />
            <button type="submit" id="submit" class="btn btn-primary">Convert</button>
        </div>
        <p id="output">
            <span>Enter The Number & Hit Convert</span>
        </p>
    </div>

    <!-- Add Bootstrap JS -->
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-v1RkRgtAKY3Acf69XvbmI9wQmsZITFEokvmwn4L1lXrt5yF5VUwklC7uDPk2aFsg"
        crossorigin="anonymous"></script>

    <script>
        let input = document.getElementById("input");
        let button = document.getElementById("submit");
        let output = document.getElementById("output");

        const romanObject = {
            M: 1000,
            CM: 900,
            D: 500,
            CD: 400,
            C: 100,
            XC: 90,
            L: 50,
            XL: 40,
            XXX: 30,
            XX: 20,
            X: 10,
            IX: 9,
            V: 5,
            IV: 4,
            I: 1,
        };

        button.addEventListener("click", () => {
            inputToRoman(input.value);
            input.value = "";
        });

        function inputToRoman(num) {
            let number = parseInt(num);

            if (num.trim().length == 0) {
                output.innerHTML = "Invalid Input";
                return false;
            }
            if (number > 4999 || number < 1) {
                output.innerHTML = "Input Out Of Range";
                return false;
            }
            output.innerHTML = "";

            let result = "";
            let romanValues = Object.keys(romanObject);
            romanValues.forEach((key) => {
                while (romanObject[key] <= number) {
                    number -= romanObject[key];
                    result += key;
                }
            });
            output.innerHTML = result;
        }
    </script>
</body>

</html>