Why jQueryUI ?
Why JQuery UI?
jQuery UI has a collection of user interface widgets, effects, interactions and themes.
It has collection of appealing user interface controls, known as widgets
It has collection of ready to use special effects; collection of interactions, which we can add to any HTML element on the page
It has collection of themes, which help us to change the look and feel of our websites easily.
Note: It is especially meant for enhancing user interface i.e. the front end of our websites