Check out a free preview of the full Asynchronous Programming in JavaScript (with Rx.js Observables) course:
The "Observables Introduction" Lesson is part of the full, Asynchronous Programming in JavaScript (with Rx.js Observables) course featured in this preview video. Here's what you'd learn in this lesson:

Observables are important because they are capable of modeling events, async server requests, and animations. To create observables in JavaScript, Jafar will be using the open source <a href="http://reactivex.io">Reactive Extensions library</a>.

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