projec-jss/6_togglelight.html at main · jatin-563/projec-jss · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Toggle Light</title>
  <style>
    body {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      background-color: #f0f0f0;
    }

    #lightBulb {
      width: 120px;
      height: 120px;
      background-color: grey;
      border-radius: 50%;
      margin: 20px;
      box-shadow: 0 0 10px rgba(0,0,0,0.3);
      transition: background-color 0.3s, box-shadow 0.3s;
    }

    #lightBulb.on {
      background-color: yellow;
      box-shadow: 0 0 30px yellow;
    }

    button {
      padding: 10px 20px;
      font-size: 16px;
      cursor: pointer;
    }
  </style>
</head>
<body>

  <button id="toggleBtn">Toggle Light</button>
  <div id="lightBulb"></div>

  <script>
    const button = document.getElementById("toggleBtn");
    const bulb = document.getElementById("lightBulb");

    button.addEventListener("click", () => {
      bulb.classList.toggle("on");
    });
  </script>

</body>
</html>