jQuery UI is very easy to obtain and set up. There is an online tool that will build a custom download package for us containing just the parts of jQuery UI that we'll need. Due to the modular nature of jQuery UI it makes sense to minimize the code payload we use on any given web project, and so the ability to include only the modules of code we intend to use helps us to minimize any impact on the visitor our code may have.
The jQuery UI download builder can be found at http://jqueryui.com/download. The page is split into two sections with the components of the library listed towards the top and the theme details at the bottom. The download builder has a certain amount of intelligence, and will ensure that any dependencies are automatically selected when we choose the components we require.
The Download Builder page shown in the previous screenshot gives us everything we need to run any subset of the library components.
All we'll be using in this chapter are...