Sugar augments the existing JavaScript environment with helper methods on existing objects. From fixing broken support of standard methods, widening acceptable arguments, multi-lingual and improved regex support on strings, nice supplementary string methods like words()
, and shortcut methods to Math object methods. Additional helpers for Dates, Objects, Functions and Regex. An library for a consistentising JavaScript across different imlementations.
Christian Heilmann describes an approach to building complex web application by basing them around events, particularly around YUI's CustomEvent class.