• RxJS is a library for reactive programming using Observables, to make it easier to compose asynchronous or callback-based code.
  • RxJS v4.0. Reactive Extensions (Rx) is a library for composing asynchronous and event-based programs using observable sequences and LINQ-style query...
  • Without a solid base knowledge of how Observables work behind the scenes, it's easy for much of RxJS to feel like 'magic'.
  • RxJS has no dependencies which complements and interoperates smoothly with both synchronous data streams such as iterable objects in JavaScript and...
  • Here are some basic concepts in RxJS: Observables ... An Observer in RxJS is an object that defines three methods: next, error, and complete.
  • While this is true, you don’t need to be a 33rd degree functional reactive programmer to use RxJS. It can also be a simple, easy-to-use library.
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  • import { fromEvent, scan } from 'rxjs'; fromEvent(document, 'click'). .pipe(scan((count) => count + 1, 0)).
  • Learn rxjs : Observables and Observers Observables represent async data stream observers represent listener who is interested to hear this data stream.