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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Angular

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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


# What we learned

This was the biggest application you've built so far. Congratulations on making it all the way through.  

At this point, you should understand how observables can be single or multi-casted and under what situations one would use either option.  You also got some hands-on experience with `Subjects` in general, and Async/Replay subjects specifically.

A larger issue with the codebase you've accumulated is that it's very dependent on global variables, with very little organization.  

In the next few chapters, you'll start using Angular as a framework to properly structure your code.  Angular also relies on Rx to handle all of an application's events, allowing you to do even more with observables, such as validating forms and dealing with shaky network connections.
<i end-range="i.PlexO1"/>
<i end-range="i.PlexO1a"/>
<i end-range="i.PlexO1aa"/>
<i end-range="i.PlexO1b"/>
</markdown>
</chapter>


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


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

What we learned