RxJs 6 In Practice (with FREE E-Book) (Udemy.com)

Learn numerous RxJs Operators, learn all RxJs and Reactive Programming core concepts via Practical Examples

( 311 Reviews )

Created by: Angular University

Produced in 2021

What you will learn

Code in Github repository with downloadable ZIP files per section
Learn the RxJs library via Practical Examples
Become familiar with an extended subset of RxJs Operators
Understand in detail the core notions of Reactive Programming
Learn how to design and build Applications in Reactive style

Quality Score

Content Quality

Video Quality

Qualified Instructor

Course Pace

Course Depth & Coverage

Overall Score : 94 / 100

Course Description

This Course in a Nutshell(note: this course includes the Typescript Jumpstart E-Book)

This course is a complete practical guide for the RxJs library (Reactive Extensions for Javascript).

If you are a developer just getting started with the Angular ecosystem, or even if you already have some experience with it, the part that you will find the hardest to wrap your head around is RxJs.

And this is because RxJs and Reactive Programming have a steep learning curve that makes it hard to just jump in into an existing program and learn these concepts by example. With RxJs that approach will simply not work. Instead, we need to start at the beginning and learn some baseline reactive design concepts first.

In this course, we will start by presenting a couple of baseline concepts, and then we will provide you with an extended catalog of RxJs operators that will in practice cover the vast majority of your daily needs.

Also, the goal here is not to cover every single operator, but instead to choose an extended subset that contains the most commonly used operators, and provide practical examples for each.

Another goal of the course is to show how RxJs is meant to be used for building programs using Reactive Design as opposed to an imperative programming style.

Course Overview

We will start by quickly introducing RxJs: we will cover the notions of Stream and Observable, and we will answer common questions such as: what is RxJs, when to use it and why, what problem does it solve?

We will then write our own Observable from first principles: we will implement our own HTTP observable that will allow us to handle backend HTTP requests while supporting error handling and cancellation.

After this quick introduction, we will dive straight into the practical examples covering a large variety of operators. We will cover the operators by explaining their behavior using the official RxJs marble diagrams, and then we will complement that with a practical example.

We will first start with the Map and Filter operators, and quickly move to more complex operators such as shareReplay, concat, concatMap, and other commonly used observable combination strategies such as: merge and mergeMap, exhaustMap, switch and switchMap. We will provide practical examples for these operators that include backend save operations and search typeaheads.

We will then cover several RxJs error handling strategies, like catch and recover, catch and rethrow or retry.

We will also cover the notion of subject and give examples of several commonly used subjects, such as BehaviorSubject or AsyncSubject. We will then use a subject to implement a very commonly used reactive pattern: we will implement a centralized observable store from first principles.

We will also cover many other commonly used operators, that include but are not restricted to: withLatestFrom, forkJoin, take, first, delay, delayWhen, startWith, etc.

At the end of the course, we will implement our own custom pipeable operator from first principles: we will implement a debugging operator that is going to be very helpful for debugging our RxJS programs.

What Will You Learn In this Course?

By taking this course you will learn how to use the RxJs library in practice for building applications in reactive style. You will understand well the core notions that are the basis of reactive programming, such as Streams and Observables.

You will also be familiar with an extended subset of operators that in practice will provide all that you will need for building applications in reactive style using RxJs.

Have a look at the course free lessons below, and please enjoy the course!
Who this course is for:
Developers trying to make sense of the RxJs libraryDevelopers looking to learn Reactive ProgrammingDevelopers trying to understand how to build Applications in a Reactive Design style

Time: 4.5h

Instructor Details

Angular University

4.7 Rating
311 Reviews

About the Angular University:
The Angular University aims to be the one place that yougo in order to learn and keep up with the whole Angularecosystem. We provide premium quality video tutorials, screencast style.
No matter if you are a beginner, intermediate or advanced in Angular, we have several courses for you.
About the course instructor:
Hello, my name is Vasco and I'm aSoftware Developer with 17 years of experience,veryseasonedbuilding userinterfaces with Angular. I've workedas a FrontendDeveloper/Architect in a largevariety of enterpriseprojects throughout the years.
I worked on a ton of projects, everything fromsingle page applications tohelp build theEuropean Criminal Record Information Exchange System, to brand new e-banking portals, to corporate banking portals, and more. I've been a key part of internalframework teams that built frameworks for in-house departments of tens of developers.
I also loveto teach, write and talk about technology. I am looking forward to be your Angular instructor,
Kind Regards,
Vasco

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Reviews

4.7

311 total reviews

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Write a Review

By Pradeep Kumar on 11/1/2020

So for so good, this course solved my many doubts in RxJS. I will recommend to all of this course.
The way of teaching concepts is very good.
Thanks you :)

By Alex Serobaba on 10/13/2020

Some of the topics are explained well, but there are more about RxJs that was not touched at all.

By Tom on 10/3/2020

Superb explanation of the RxJs library with useful case examples. Highly recommending this tutorial for anybody who's starting with Angular.

By Anurag Shah on 10/1/2020

Great explanation with every minute details of executions

By Igor Ghisi on 9/24/2020

Pretty good introduction of RxJS and the Store pattern. Course is very clear and straight to the point.
Maybe it should have stated somewhere that the course is entirely given using an Angular application as sandbox. If you are not into Angular, some things may be a little obscure.

By Mark Glass on 9/22/2020

I am not disappointed. It's a great presentation. The presenter communicates well in English. His diction and command of the language are excellent. He also is well informed and his presentation is engaging. There is a minor problem with the course. Lecture 10 was out of focus for it's entirety. There seems to be a technical problem with the visual equipment because the video tended to be blurry often. Not a severe problem but certainly annoying. I've been working with RxJs for several months now. The presenter has helped me to understand several issues which I have found difficult to understand. In spite of that problem the course is appreciated and well worth my time.

By Mohit Jain on 9/20/2020

the methods to explain concept should be elaborate.

By Billy Wayne Cater on 9/18/2020

This course is great! The teacher is concise and doesn't add a bunch of unnecessary fluff; Vasco explains why using great examples to make it stick brain-wise. If you need to understand RxJS operators, get this course!

By Esteban Daniel Aquino Velzquez on 9/17/2020