What is a callback in node JS?

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Tags

1. #completion
2. #function
3. #asynchronous
4. #given
5. #results
6. #process
7. #without
8. #equivalent
9. #highly
10. #number
11. #callbacks
12. #callback
13. #called
14. #return
15. #heavy
16. #scalable
17. #requests
18. #waiting
19. #makes