Is JavaScript synchronous or asynchronous?

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Tags

1. #calls
2. #executing
3. #execute
4. #which
5. #javascript
6. #successfully
7. #other
8. #sense
9. #asynchronous
10. #until
11. #threaded
12. #otherwise
13. #synchronously
14. #point
15. #always
16. #synchronous
17. #callback
18. #example
19. #returns
20. #single