jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is designed to change the way that you write JavaScript.
jQuery offers a mechanism for adding in methods and functionality, bundled as jQuery plugins. Most of the methods and functions included in the default download are written using the jQuery plugin construct.
jQuery UI (User Interface) provides abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.
Finally, jQuery is great library with extensive usability, huge support, good documentation, many tutorials, plugins, widgets and so on. None of today’s developers should miss it if plans web interactive development. For these reasons we will periodically come back to bring you this cool project closer.