It lets you do stuff like this:
A straightforward API makes Sugar very easy to pick up and start using.
Custom builds and modularized npm packages let you use only what you need.
Users can define methods or use plugins to handle specialized use cases.
The date module parses, formats, and manipulates dates and supports many locales.
Sugar blends in with native methods, and defers to their implementations when possible.
A comprehensive polyfill suite patches browser support when it is broken or missing.