test/html/scrollspy.html

<!doctype html>
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no">

    <title>Documentation - Materialize</title>

    <!-- Favicons -->
    <link rel="apple-touch-icon-precomposed" href="../../docs/images/favicon/apple-touch-icon-152x152.png">
    <meta name="msapplication-TileColor" content="#FFFFFF">
    <meta name="msapplication-TileImage" content="images/favicon/mstile-144x144.png">
    <link rel="icon" href="../../docs/images/favicon/favicon-32x32.png" sizes="32x32">

    <!-- Android 5 Chrome Color -->
    <meta name="theme-color" content="#EE6E73">

    <link href="../../dist/css/materialize.css" type="text/css" rel="stylesheet" media="screen,projection">
    <style>
        body, html,
        .section {
            height: 100%;
        }
        .table-of-contents li a {
            color: #fff;
        }
    </style>
</head>
<body>

    <div id="blue" class="section scrollspy blue"></div>
    <div id="green" class="section scrollspy green"></div>
    <div id="yellow" class="section scrollspy yellow"></div>
    <div id="red" class="section scrollSpy red"></div>

    <div class="stats" style="position: fixed; top: 50%; left: 50%; width: 100px; margin-left: -50px;">
      <strong>scrollTop:&nbsp;</strong><span id="scrollTop">0</span>
    </div>

    <div class="wrapper" style="position: fixed; top: 0; right: 0;">
      <ul class="section table-of-contents">
        <li><a href="#blue">Blue</a></li>
        <li><a href="#green">Green</a></li>
        <li><a href="#yellow">Yellow</a></li>
        <li><a href="#red">Red</a></li>
      </ul>
      <a id="halfHeights" href="#!" class="btn">Half Heights of Sections</a>
    </div>

    <!-- Scripts -->
    <script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
    <script src="../../dist/js/materialize.js"></script>

    <script type="text/javascript">
      $( document ).ready(function() {
        $('.scrollspy').scrollSpy({'scrollOffset': 0});

        $(window).on('scroll', function() {
          $('#scrollTop').text($(window).scrollTop());
        });

        $('#halfHeights').on('click', function() {
          $('.section').css('height', '50%');
        });
      });
    </script>

</body>
</html>