what is jquery ui
jQuery UI API Documentation. jQuery UI 1.12 API Documentation. jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. If you're new to jQuery UI, you might want to check out our main site for more information and full demos. If you're new to jQuery, you might also be interested in the jQuery Learning Center tutorials. This site provides API documentation for jQuery UI 1.12. If you're working with an older version, you can find the API documentation at the links below. However, we would encourage you to upgrade to jQuery UI 1.12 in order to receive the best support and take advantage of recent bug fixes and enhancements.