No-Library (pure JS), HTML, CSS, JavaScript
jQuery Compat (edge), HTML, CSS, JavaScript
addClass, manipulate DOM, do stuff on scroll up or down. Uses Jquery scrollTop on Window.
jQuery insertAfter vs. .after vs. .appendTo vs. .append
jQuery 1.8.3, HTML, CSS, JavaScript
jQuery 1.4.4, HTML, CSS, JavaScript
Mootools 1.4.5, HTML, CSS, JavaScript
jQuery 1.7.1, HTML, CSS, JavaScript
2 states, initial & scroll