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

A new subscriber creates an entirely new observable stream, including rerunning the constructor. The term for this kind of observable is a  ________ observable.

A new subscriber creates an entirely new observable stream, including rerunning the constructor. The term for this kind of observable is a ________ observable.

In which observable do we create only a single source for an observable stream?  


In which observable do we create only a single source for an observable stream?

A _hot_ observable contains a single stream that every subscriber listens in on. 

What is this process called?

A hot observable contains a single stream that every subscriber listens in on.
What is this process called?



 What is the name of the operator that is called on a single, cold observable stream and **converts** the stream into a hot stream?

What is the name of the operator that is called on a single, cold observable stream and converts the stream into a hot stream?

Is this statement **True** or **False**?

The `publish` operator won’t do anything until there’s a manual trigger to start the stream. The manual trigger is a call to the `connect` method.

Is this statement True or False?
The <code>publish</code> operator won’t do anything until there’s a manual trigger to start the stream. The manual trigger is a call to the <code>connect</code> method.

`AsyncSubject` is a specialized Subject that keeps track of the source observable and waits for it to complete.



`AsyncSubject` is a specialized Subject that keeps track of the source observable but doesn't wait for it to complete.



What is **True** regarding the `AsyncSubject` that is used for the solution for the AJAX problem?


What is True regarding the <code>AsyncSubject</code> that is used for the solution for the AJAX problem?

 `combineLatest` emits a new value when ______ of the streams emit a value.  
___


<code>combineLatest</code> emits a new value when ______ of the streams emit a value.
<hr />

Is this statement **True** or **False**?

`withLatestFrom` emits new values when the observable stream that it's passed into through `pipe` doesn't emit a value. 

Is this statement True or False?
<code>withLatestFrom</code> emits new values when the observable stream that it’s passed into through <code>pipe</code> doesn’t emit a value.


 Quiz

Quiz

Test your knowledge of the concepts related to multiplexing observables in Rx by completing this quiz.

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

Quiz: Multiplexing Observables