012 Source Code

<html>

<head>
  <title>Questions and Answers JavaScript</title>
</head>

<body>
  <script>
    const btn = document.createElement('button');
    const output = document.createElement('div');
    const message = document.createElement('div');
    btn.textContent = "Click Me!";
    message.textContent = "Hello World";
    document.body.append(output);
    output.append(message);
    output.append(btn);
    btn.addEventListener('click', () => {
      const today = new Date();
      message.textContent = `${today.getHours()} ${today.getMinutes()} ${today.getSeconds()}`;
    })
  </script>
</body>

</html>