Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Website của tôi</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <h1>Chào mừng bạn</h1>
    <br>
    <p>Tôi là Tùng</p>
    <hr>
    <a href="intro.html">Intro</a>
    <a href="intro.html">Contact</a>
    <a href="intro.html">Blog</a>

    <button type="button" id="displayDateBtn">
    Click me to display Date and Time.</button>

    <p id="demo"></p>

    <br>

    <img src="assets/anh.jpg" width="100px" height="100px">

    <script src="javascript/index.js">

    </script>
</body>
</html>