For this there are Observables and async iterators. I warmly recommend https://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2014/Keynote-Duality https://channel

For this there are Observables and async iterators. I warmly recommend https://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2014/Keynote-Duality https://channel9.msdn.com/Events/Lang-NEXT/Lang-NEXT-2014/Ke... . I've also personally been using Rx and RxJS a lot and have been enjoying it a lot over the past few years. Observables and async iterators are both features that are on standards track for the language. See https://github.com/zenparsing/es-observable https://github.com/zenparsing/es-observable and https://github.com/Reactive-Extensions/RxJS https://github.com/Reactive-Extensions/RxJS