fartscroll.js

https://github.com/theonion/fartscroll.js

HTML

<script src=" //code.onion.com/fartscroll.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<html>
    <head>
        <title>Testing Fartscroll.js</title>
    </head>
    <body>
        <ul>
            <li>Testing MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing. MikLo Was Here</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
            <li>Testing.</li>
           ...

JavaScript

$(document).ready(function() {
            // Ensure the page always has more scrolling
            $(document).scroll(function() {
                while ((window.pageYOffset + window.innerHeight) >= $(this).height() - (window.innerHeight / 2)) {
                    $('ul').append('<li>Testing.</li>');
                }
            }).scroll();

            fartscroll(800);
        });