Growing jQuery

This document discusses ways to extend jQuery for custom needs through plugins. It provides examples of simple plugins for limiting checkboxes selection to 3, adding zebra striping, and creating tabs. The document emphasizes that jQuery plugins can be created easily and allow selection and actions on elements. It also notes that plugins allow extending jQuery's functionality and provides an example of extending expressions to check for dates. Overall, the document shows how jQuery can be customized through plugins for selection, actions, and expressions.