jQuery is the most widely used JavaScript library on the Web today. It offers many functions to make life much easier as a front-end developer. Moreover, the developers of jQuery have recognized that it can’t (and shouldn’t) do everything and has provided various extension points that allow additional functionality to be integrated into the normal jQuery processing. This foresight has contributed to its popularity. This article based on Extending jQuery, explains why and how would want to extend jQuery.

Why Extend jQuery? (PDF)