Observables - Subject, BehaviorSubject & ReplaySubject | Part 12
An Observable is a stream of values that can be observed over time, offering more flexibility and control for asynchronous operations.
Observables in Angular provide a robust way to handle asynchronous data streams, making it easier to manage real-time updates, handle user interactions, and fetch data from APIs.
They come in different shapes and forms. In this video, we will look at Subjects, BehaviorSubjects, and ReplaySubjects. Anything else is just an addition to these, and in most cases, these are all you will need.
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Timestamp
0:00 What are Observables?
1:01 Real-world example
2:20 Why NOT promises?
3:04 Quick update: Cator Store
3:25 Problem statement: Observable
4:32 Adding Observable & Observer
6:48 Subscribe
7:25 Observable correct instantiation
8:25 Subject in rxjs
10:02 Observable v Subject
10:30 BehaviorSubject in rxjs
11:37 ReplaySubject in rxjs
12:59 My take on ReplaySubject
13:30 Unsubscribe
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