<html>

    <head>

        <meta charset="utf-8">

        <meta http-equiv="X-UA-Compatible" content="IE=edge">

        <meta name="viewport" content="width=device-width,initial-scale=1">



        <title>Event Calendar</title>

        <meta name="description" content="A fun app that shows various events throughout the year and their descriptions.">

        <meta name="keywords" content="event calendar, celebrations, holidays, special occasions">



        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"

                integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">

        <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">



        <script type="text/javascript">

            try {

                // App Javascript Goes Here. Place your entire script content inside the try block for error handling.

                

                // This will run when the DOM is ready.

                document.addEventListener("DOMContentLoaded", function() {

                    // Event data

                    const events = [

                        {

                            month: "January",

                            number: 1,

                            year: null,

                            description: "New Year",

                            season: "Winter"

                        },

                        {

                            month: "December",

                            number: 25,

                            year: null,

                            description: "Christmas Day",

                            season: "Winter"

                        },

                        {

                            month: "February",

                            number: 14,

                            year: null,

                            description: "Valentine's Day",

                            season: "Winter"

                        },

                        {

                            month: "March",

                            number: 8,

                            year: null,

                            description: "International Women's Day",

                            season: "Spring"

                        },

                        {

                            month: "April",

                            number: 1,

                            year: null,

                            description: "Fools' Day",

                            season: "Spring"

                        },

                        {

                            month: "March",

                            number: null,

                            year: null,

                            description: "Easter",

                            season: "Spring"

                        },

                        {

                            month: "May",

                            number: 9,

                            year: null,

                            description: "Victory Day (VE Day)",

                            season: "Spring"

                        },

                        {

                            month: "June",

                            number: 1,

                            year: null,

                            description: "Defence of Children Day",

                            season: "Summer"

                        },

                        {

                            month: "June",

                            number: 28,

                            year: null,

                            description: "Constitution Day",

                            season: "Summer"

                        },

                        {

                            month: "August",

                            number: 24,

                            year: null,

                            description: "Independence Day",

                            season: "Summer"

                        },

                        {

                            month: "September",

                            number: 1,

                            year: null,

                            description: "Day of Knowledge",

                            season: "Autumn"

                        },

                        {

                            month: "October",

                            number: 5,

                            year: null,

                            description: "Teachers' Day",

                            season: "Autumn"

                        }

                    ];



                    // Function to display event details

                    function displayEventDetails(event) {

                        const eventDetails = document.getElementById("event-details");

                        eventDetails.innerHTML = `

                            <h3>${event.description}</h3>

                            <p><strong>Date:</strong> ${event.month} ${event.number}${event.year ? `, ${event.year}` : ""}</p>

                            <p><strong>Season:</strong> ${event.season}</p>

                        `;

                    }



                    // Populate event options

                    const eventSelect = document.getElementById("event-select");

                    events.forEach((event, index) => {

                        const option = document.createElement("option");

                        option.value = index;

                        option.text = event.description;

                        eventSelect.appendChild(option);

                    });



                    // Event listener for event selection

                    eventSelect.addEventListener("change", function() {

                        const selectedEvent = events[eventSelect.value];

                        displayEventDetails(selectedEvent);

                    });

                });



            } catch (error) {

                 // This will throw the error to the parent window.

                throw error;

            }

        </script>

        

        <style>

            /* App CSS Goes Here */

            body {

                font-family: 'Open Sans', sans-serif;

                background-color: #f9f9f9;

            }



            .container {

                max-width: 500px;

                margin: 0 auto;

                padding: 20px;

                background-color: #fff;

                box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);

                border-radius: 5px;

            }



            h1 {

                color: #333;

                text-align: center;

                margin-bottom: 30px;

            }



            select {

                width: 100%;

                padding: 10px;

                margin-bottom: 20px;

                border: none;

                border-radius: 5px;

                background-color: #f2f2f2;

                color: #333;

                font-size: 16px;

                font-weight: bold;

            }



            p {

                margin-bottom: 10px;

            }

        </style>

    </head>

    <body>

        <div id="main-container" class="container">

            <h1>Event Calendar</h1>

            <select id="event-select">

                <option value="">Select an event</option>

            </select>

            <div id="event-details"></div>

        </div>

    </body>

</html>