Why jQuery UI ?
jQuery UI contains a set of plugins that provide new features to the core jQuery library. It is categorized into four groups i.e. interactions, widgets, effects, utilities. It is an open-source library that contains different animation effects and widgets that help in the development of highly interactive user-friendly web applications. This library needs very less maintenance. It can be used with almost all browsers.
jQuery UI
jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you’re building highly interactive web applications, or you just need to add a date picker to a form control, jQuery UI is a perfect choice.