<!DOCTYPE html>
<html>
<head>
  <title>jQuery Example</title>
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
  <div id="content">
    <p>Hello, World!</p>
  </div>
  <script>
    // Selecting and manipulating HTML elements using jQuery
    $(document).ready(function(){
      $("#content").append("<p>jQuery makes DOM manipulation easy!</p>");
    });
  </script>
</body>
</html>