RXJS Operators Explained with Examples: switchMap, map + More

Опубликовано: 12 Сентябрь 2020
на канале: NeverBenBetter
29,794
1.7k

This is the second part of an RxJS tutorial for beginners who want to understand RxJS operators like switchMap, map, concatMap mergeMap and more.

Even while reading the RxJS documentation, the differences between RxJS operators like map and switchMap didn’t come easily. If you feel the same way I once felt while reading the definitions, it’s all just a little too abstract to pick up in one go.

This video offers a simple metaphor for thinking about RxJS, Observables and Operators. It also addresses common questions about frequently used RxJS operators like, “what is the difference between switchMap and map?”

To watch PART ONE, which describes Observables, check out:
How are Observables Different from Promises? | Beginner RXJS Lessons
   • How are Observables Different from Pr...  

REAL LIFE RXJS EXAMPLES from my own work:
   • RXJS Real Examples – 1.  How to Use O...  

This is part of a series focused on developing apps with Angular. To learn whether Angular is a framework worth learning, watch this video:
Angular is BETTER than React and Vue under 3 CONDITIONS
   • Angular is BETTER than React and Vue ...  

OFFICIAL DOCUMENTATION
https://rxjs-dev.firebaseapp.com

My name is Ben and I am a software developer. I have iOS apps and a few web apps. (Every other web app is comparatively small and was developed using vanilla JavaScript.) If you'd like to see what I'm about or what I've done, check out the links below:

THE PERFECT BOARDGAME - A site for matching tabletop games with your unique preferences
theperfectboardgame.com

SOLUTIONS FOR X - My first published iOS apps
solutionsforx.com

NEVER BEN BETTER - My Blog
neverbenbetter.com

MY PATREON SITE:
www.patreon.com/neverbenbetter


MY GEAR
Sony ZV 1
https://amzn.to/2DXxrRV

Fifine Condenser Recording Microphone (which was unplugged about halfway through this video: sorry!)
https://amzn.to/2E7bboc


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