Review of Babel (6to5) powered by the Slant community.
Ranked in these QuestionsQuestion Ranking
Pro Support ES6(Harmony)
Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
Pro Plugins for custom features
Pro Future forward thinking
Con Generated ES5 is ugly and performs badly
Output looks far from handwritten ES5, is quite large with a lot of extra statements to execute.