What is a BehaviorSubject in angular?

Related questions

1. What is Publishsubject?
2. What is Rxcocoa?
3. What is RxJava subject?
4. What is RxSwift iOS?
5. What is difference between subject and BehaviorSubject?
6. What are subjects in RxJS?

Tags

1. #initial
2. #observable
3. #subscription
4. #special
5. #unique
6. #features
7. #subscribe
8. #subject
9. #needs
10. #messages
11. #other
12. #value
13. #received
14. #always
15. #behaviorsubject
16. #return