Why do you need validation in Javascript?

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Tags

1. #before
2. #fields
3. #first
4. #javascript
5. #sending
6. #filled
7. #mandatory
8. #field
9. #basic
10. #through
11. #computer
12. #would
13. #check
14. #client
15. #validate
16. #provides
17. #server
18. #checked
19. #require
20. #validation