my solutions of codewar katas

1. DONE http://www.codewars.com/kata/opposite-number
2. DONE http://www.codewars.com/kata/basic-mathematical-operations
3. DONE http://www.codewars.com/kata/printing-array-elements-with-comma-delimiters
4. DONE http://www.codewars.com/kata/transportation-on-vacation
5. DONE http://www.codewars.com/kata/get-the-middle-character
6. DONE http://www.codewars.com/kata/partition-on
7. DONE http://www.codewars.com/kata/word-count
8. DONE http://www.codewars.com/kata/remove-first-and-last-character-part-two
9. DONE http://www.codewars.com/kata/implement-a-filter-function
10. DONE http://www.codewars.com/kata/prefill-an-array
11. DONE http://www.codewars.com/kata/cross-product-of-vectors
12. DONE http://www.codewars.com/kata/sequence-generator-1
13. @TO_DO: https://www.codewars.com/kata/base-conversion/
14. DONE http://www.codewars.com/kata/closures-and-scopes
15. DONE http://www.codewars.com/kata/a-function-within-a-function
16. DONE http://www.codewars.com/kata/can-you-keep-a-secret
17. @TO_DO: http://www.codewars.com/kata/using-closures-to-share-class-state
18. DONE http://www.codewars.com/kata/a-chain-adding-function
19. DONE http://www.codewars.com/kata/function-cache
20. DONE http://www.codewars.com/kata/function-composition
21. DONE http://www.codewars.com/kata/function-composition-1
22. DONE http://www.codewars.com/kata/stringing-me-along
23. @TO_DO: http://www.codewars.com/kata/i-spy
24. DONE http://www.codewars.com/kata/calculating-with-functions
25. DONE http://www.codewars.com/kata/santaclausable-interface
26. DONE http://www.codewars.com/kata/new-with-apply
27. @TO_DO: http://www.codewars.com/kata/extract-nested-object-reference
28. DONE http://www.codewars.com/kata/array-helpers
29. DONE http://www.codewars.com/kata/replicate-new
30. DONE http://www.codewars.com/kata/sum-of-digits-slash-digital-root/
31. DONE http://www.codewars.com/kata/fun-with-es6-classes-number-2-animals-and-inheritance
32. DONE http://www.codewars.com/kata/fun-with-es6-classes-number-3-cuboids-cubes-and-getters

OPTIONAL 33. http://www.codewars.com/kata/lazy-evaluation 34. http://www.codewars.com/kata/tail-recursion-with-trampoline 35. http://www.codewars.com/kata/functional-sql 36. http://www.codewars.com/kata/can-you-get-the-loop