imo (fwiw), stability, a good api, and decent test coverage is a better metric to measure which one's better. I've used LABjs, and it's really good. After a po

imo (fwiw), stability, a good api, and decent test coverage is a better metric to measure which one's better. I've used LABjs, and it's really good. After a point, I don't _need_ any more dev work done on it.