The jQuery replacement for select boxes
Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite scrolling, and many other highly used options.
Using AJAX you can efficiently search large lists of items.
Fully skinnable, CSS built with Sass and an optional theme for Bootstrap 3.
The plugin system allows you to easily customize Select2 to work exactly how you want it to.
Allow users to type in a new option and add it on the fly.
Support for both modern and legacy browsers is built-in, even including Internet Explorer 8.
Looking for the documentation for Select2 3.5.3? That can still be found here.