What does async do?

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Tags

1. #define
2. #declaration
3. #promise
4. #using
5. #result
6. #functions
7. #returns
8. #function
9. #return
10. #event
11. #asynchronously
12. #asynchronous
13. #async
14. #object
15. #operates
16. #implicit
17. #which
18. #asyncfunction
19. #defines
20. #expression