PJs https://github.com/jayferd/pjs https://github.com/jayferd/pjs is the sanest js classical inheritance library I've seen. It's very lightweight, doesn't mess

PJs https://github.com/jayferd/pjs https://github.com/jayferd/pjs is the sanest js classical inheritance library I've seen. It's very lightweight, doesn't mess with Object.prototype, and interoperates seamlessly with coffeescript classes.