Exactly. I would never advise someone to use CoffeeScript without first knowing JavaScript, but I think very few people would do this anyways. And even if they

Exactly. I would never advise someone to use CoffeeScript without first knowing JavaScript, but I think very few people would do this anyways. And even if they tried, aside from debugging issues, I think the article shows that it's pretty hard to work with CoffeeScript if you don't understand the underlying output code.