What is RxJS and how does it work?
RxJS stands for Reactive Extensions for JavaScript. It's a library for reactive programming using Observables, which allows you to work with asynchronous data streams.
Can you explain what Observables are?
Observables are a core concept in RxJS. They represent a collection of values over time, allowing you to subscribe to them and react to new data as it arrives.
How do I create an Observable?
You can create an Observable using the new Observable()
constructor or by using creation operators like of()
, from()
, or interval()
.
What are some common operators used in RxJS?
Some common operators include map()
, filter()
, mergeMap()
, and catchError()
. They help you transform and manage data streams.
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