Learn-JavaScript/15. Bulb.html at main · Sandeep6135/Learn-JavaScript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Creative Light Toggle</title>
    <style>
        /* CSS - The Design */
        body {
            background-color: #1a1a1a; /* Dark room effect */
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            font-family: 'Arial', sans-serif;
            transition: background 0.4s ease;
        }

        .bulb-container {
            position: relative;
            margin-bottom: 50px;
        }

        #bulb {
            width: 150px;
            cursor: pointer;
            filter: grayscale(1); /* Looks "dead" when off */
            transition: all 0.3s ease;
            z-index: 2;
        }

        /* The "Glow" effect when the bulb is on */
        .on #bulb {
            filter: grayscale(0) drop-shadow(0 0 60px rgba(255, 230, 0, 0.8));
        }

        .on {
            background-color: #2c2c2c; /* Lightens the room slightly */
        }

        /* The Switch Button */
        #toggleBtn {
            padding: 15px 50px;
            font-size: 18px;
            font-weight: bold;
            text-transform: uppercase;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            background-color: #444;
            color: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
            transition: 0.2s;
        }

        #toggleBtn:active {
            transform: translateY(4px);
        }

        .btn-on {
            background-color: #f1c40f !important;
            color: #000 !important;
            box-shadow: 0 0 20px rgba(241, 196, 15, 0.4) !important;
        }
    </style>
</head>
<body id="room">

    <div class="bulb-container">
        <img id="bulb" src="https://i.postimg.cc/6Qy9YQ90/light-bulb-off.png" alt="Light Bulb">
    </div>

    <button id="toggleBtn" onclick="toggleLight()">Turn On</button>

    <script>
        // JavaScript - The Logic
        function toggleLight() {
            const bulb = document.getElementById('bulb');
            const btn = document.getElementById('toggleBtn');
            const room = document.getElementById('room');

            // Toggle logic using the image source
            if (bulb.src.match("off")) {
                // Change to ON
                bulb.src = "Bulb Photo/on.png";
                room.classList.add('on');
                btn.classList.add('btn-on');
                btn.innerHTML = "Turn Off";
            } else {
                // Change to OFF
                bulb.src = "Bulb Photo/off.png";
                room.classList.remove('on');
                btn.classList.remove('btn-on');
                btn.innerHTML = "Turn On";
            }
        }
    </script>
</body>
</html>