It's great to see generators presented in an engaging and approachable way. I like the layering of examples and comparisons between eager and lazy functions. I

It's great to see generators presented in an engaging and approachable way. I like the layering of examples and comparisons between eager and lazy functions. I don't find generators to be an easy concept to understand for most but the payoff is substantial since they have so many useful applications - not just in JavaScript.