Gain insights into reactive programming with RxJS. Learn about observables, operators, and concurrent programming to create real-world applications like a real-time earthquake visualizer and spaceship game.

_ Reactive Programming with RxJS by The Pragmatic Programmer_ .png

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In this course, you will learn about reactive programming techniques and use them to create real-world applications. Throughout this course, you will learn important concepts of RxJS programming such as observables, operators, concurrent programming, and how to build a complete web application.

Additionally, you will have the opportunity to build out applications for different real-world scenarios so that you can put what you learn into practice. You will use RxJS operators in scenarios such as the real-time earthquake visualizer and the reactive spaceship game.

By the end, you will have a new skill that you can utilize to build reactive programs as well as a few new projects to add to your portfolio.

Reactive Programming with RxJS

In the previous section, we used the `observeOn` operator to change the Scheduler in some Observables. The `observeOn` and `subscribeOn` operators are instance operators that return a copy of the Observable instance, but which use the Scheduler we pass as a parameter.

The `observeOn` operator takes a Scheduler and returns a new Observable which then uses that Scheduler. This makes every `onNext` call run in the new Scheduler.

The `subscribeOn` operator forces the subscription and unsubscription work (not the notifications) of an Observable to run on a particular Scheduler. Like the `observeOn` operator, it accepts a Scheduler as a parameter. The `subscribeOn` operator is useful when, for example, we’re running in the browser and doing significant work in the subscribe call but we don’t want to block the UI thread with it.

Learn how the ObserveOn and SubscribeOn Operators can be used with Schedulers.

ObserveOn and SubscribeOn Operators

Getting Started

Introduction to Reactive Programming with RxJS

Understanding the Reactiveness

Understanding the Observables

Understanding Sequencing and its Operators

Make a Real-time Earthquake Visualizer

Building Concurrent Programs Through Pipelines

RxJS Subject Class

Building a Reactive Spaceship to Keep the Application Pure

Building a Complete Web Application Using RxJS

Getting Real Time Updates from Twitter using Node.js

Schedulers

React Web Applications With Cycle.js and using Model View Intent

Closing Remarks

ObserveOn and SubscribeOn Operators