index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <h1>Welcome to jQuery</h1>

    <img src="some-source" alt="alternate-text">
    <a href="#">Anchor Tag</a>
    <button>Button 1</button>
    <button>Button 2</button>
    <button>Button 3</button>
    <button>Button 4</button>
    <button>Button 5</button>
    <button>Button 6</button>

    <input type="text" name="" id="">

    <!-- Incorporate jQuery using CDN from https://jquery.com/download/ -->
    <!-- Should be above our external JS to get feel of $ or jQuery reference -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
    <script src="index.js"></script>
</body>
</html>