RenaissanceJS
Features:- Class-like data structures.
- Standard constructors that support easy (and deep) cloning.
- Inheritance and type checking via the instanceof operator.
- Namespace support, with inheritance.
- Abstract function definitions.
- Class loading support, including on-the-fly class loading.
- Application bootstrapping.
- Minification/single-file-build support with no added code or configuration (using YUI Compressor).
- Unit testing support, built in (using JSUnit).