Gain insights into building reactive websites with RxJS. Delve into mastering observables and managing events efficiently to create fast, responsive applications while reducing bugs.

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The list of requirements for frontend work keeps increasing. Websites that load quickly on shaky connections, render perfectly on mobile devices, and respond with lightning speed to user input are expected. All of these tasks require dealing with a high number of events from disparate sources, be it your Customer Relationship Management (CRM), late-breaking news, or just a chat room.

Observables is a new way of thinking about managing these events, even when they may occur sometime in the future.

In this course, you’ll learn how to delegate both the calls and control flow to RxJS, allowing you to focus on the rest of your application.

RxJS compartmentalizes eventing flows, encapsulating each action in a single function, providing many helper operators that keep an internal state, allowing you to outsource your state worries to the library.

By the end of this course, you will be able to build bigger, faster, and less-buggy applications for your users.

Build Reactive Websites with RxJS: Master Observables and Wrangle





You've now seen how observables work at the basic level, and you've grasped the vocabulary surrounding them.  

Don't worry if you're still unclear about the specifics.  The principles introduced here will come up again and again, so there will be plenty of opportunities to practice.  

On the other hand, if you're looking for a challenge, implement a **Lap** button on the stopwatch.  Clicking a Lap button pauses the rendering of the view but doesn't pause the internal counter.  Clicking the Lap button again shows the current counter state.

Now that you know how to create data streams with observables, it's time to learn more about how to modify the data within a stream.  In the next chapter, we go on beyond `map` to learn about many more operators that will be foundational to your RxJS knowledge.


Let's take a quick look at what we have learned so far.

What we Learned

Course Introduction

Creating Observables

Manipulating Streams

Managing Asynchronous Events

Advanced Async

Multiplexing Observables

Using HTTP in Angular

Building Reactive Forms in Angular

Advanced Angular

Reactive Game Development

What we Learned