Select2
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.
In your language
Select2 comes with support for RTL environments, searching with diacritics and over 40 languages built-in.
Remote data support
Using AJAX you can efficiently search large lists of items.
Theming
Fully skinnable, CSS built with Sass and an optional theme for Bootstrap 4.
Fully extensible
The plugin system allows you to easily customize Select2 to work exactly how you want it to.
Dynamic item creation
Allow users to type in a new option and add it on the fly.
Full browser support
Support for both modern and legacy browsers is built-in, even including Internet Explorer 11.