jQuery ScrollAppear - a powerful and agile content appear on scroll plugin for jQuery

jQuery ScrollAppear is a powerful and agile content appear on scroll (or on other event triggers) plugin for jQuery. 

jQuery ScrollAppear expands on the basic scroll appear functionality to include:

• History of what has been shown as result of the plugin;
• Ability to revert part/all of what has been shown;
• Ability to directly show elements without the user having to trigger a monitored event;
• Ability to prevent mass scroll/appear of content by setting a timeout between events (in a similar fashion to hoverIntent);
• Set a pixel offset for your trigger element;
• Set the number of event triggers to be performed before the event is unbound.