The Hidden Power of ES6 Generators: Observable Async Flow Control

In 7 Surprising Things I Learned Writing a Fibonacci Generator in JavaScript, I covered one obvious use-case for ES6 generator functions: producing iterable sequences of values one at a time. If you haven’t read that yet, you should. Iterables are the foundation of a lot of things in ES6+, and it’s going to be important for you to understand how they work. But in that article, I intentionally side

[kitokitoki]

A generator is capable of emitting many values over time. What else do we know about that can emit many values over time? An observable.