[bcherny]

Same here. Personally I prefer ES6 for a few reasons:

- Future compatible, more interoperable

- ES6 classes can extend each other in a standards compliant way

- CS arrow functions feel verbose compared to ES6

- Constants

- More tooling support

- More features

- Upcoming features, like ES7 async/await have polyfills that you can use today (as opposed to CS - https://github.com/jashkenas/coffeescript/pull/3813)

Though I do miss a couple of things:

- The last expression in a block is implicitly returned (nice sugar for functional programming)

- Ranges ([1..10])