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TypeScript Puzzles
TypeScript is the most popular JavaScript alternative.
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Sort: most accepted
tag: TypeScript
1. implement Partial<T>
TypeScript
easy
2336 accepted
2. implement Required<T>
TypeScript
easy
1565 accepted
3. implement Readonly<T>
TypeScript
easy
1389 accepted
4. implement Record<K, V>
TypeScript
easy
1352 accepted
5. implement Pick<T, K>
TypeScript
easy
1223 accepted
6. implement Omit<T, K>
TypeScript
easy
1033 accepted
7. implement Exclude<T, E>
TypeScript
easy
814 accepted
9. implement NonNullable<T>
TypeScript
easy
774 accepted
8. implement Extract<T, U>
TypeScript
easy
728 accepted
10. implement Parameters<T>
TypeScript
easy
709 accepted
12. implement ReturnType<T>
TypeScript
easy
637 accepted
14. implement ThisParameterType<T>
TypeScript
easy
503 accepted
11. implement ConstructorParameters<T>
TypeScript
easy
503 accepted
15. implement OmitThisParameter<T>
TypeScript
easy
476 accepted
16. implement FirstChar<T>
TypeScript
easy
462 accepted
13. implement InstanceType<T>
TypeScript
easy
459 accepted
19. implement FirstItem<T>
TypeScript
easy
415 accepted
18. implement TupleToUnion<T>
TypeScript
easy
414 accepted
17. implement LastChar<T>
TypeScript
easy
389 accepted
23. implement LengthOfTuple<T>
TypeScript
easy
377 accepted
21. implement LastItem<T>
TypeScript
easy
377 accepted
20: implement IsNever<T>
TypeScript
easy
360 accepted
25. implement UnwrapPromise<T>
TypeScript
easy
341 accepted
22. implement StringToTuple<T>
TypeScript
easy
305 accepted
26. implement ReverseTuple<T>
TypeScript
easy
296 accepted
31. implement Push<T, I>
TypeScript
easy
291 accepted
29. implement Shift<T>
TypeScript
easy
286 accepted
27. implement Flat<T>
TypeScript
easy
284 accepted
24. implement LengthOfString<T>
TypeScript
easy
283 accepted
30. implement IsAny<T>
TypeScript
easy
247 accepted
43. implement Trim<T>
TypeScript
easy
235 accepted
28. implement IsEmptyType<T>
TypeScript
easy
235 accepted
33. implement TupleToString<T>
TypeScript
easy
219 accepted
32. implement RepeatString<T, C>
TypeScript
easy
205 accepted
35. implement Filter<T, A>
TypeScript
easy
203 accepted
34. implement Repeat<T, C>
TypeScript
easy
182 accepted
36. implement LargerThan<A, B>
TypeScript
easy
169 accepted
38. implement Add<A, B>
TypeScript
easy
166 accepted
58. implement Diff<A, B>
TypeScript
easy
161 accepted
42. implement Equal<A, B>
TypeScript
easy
159 accepted
37. implement SmallerThan<A, B>
TypeScript
easy
153 accepted
41. implement FindIndex<T, E>
TypeScript
easy
150 accepted
39. implement ToNumber<T>
TypeScript
easy
148 accepted
60. implement UndefinedToNull<T>
TypeScript
easy
144 accepted
40. implement UnionToIntersection<T>
TypeScript
easy
131 accepted
59. implement MapStringUnionToObjectUnion<U>
TypeScript
easy
108 accepted
44. implement ReplaceAll<S, F, T>
TypeScript
easy
99 accepted
61. implement Prefix<T, P>
TypeScript
easy
96 accepted
46. implement Subtract<A, B>
TypeScript
easy
82 accepted
49. asserts never
TypeScript
easy
75 accepted
45. implement Slice<A, S, E>
TypeScript
easy
74 accepted
51. implement Capitalize<T>
TypeScript
few challengers
65 accepted
57. implement ObjectPaths<O>
TypeScript
easy
63 accepted
54. Implement CamelCase<S>
TypeScript
few challengers
62 accepted
55. implement StringToNumber<S>
TypeScript
few challengers
60 accepted
52. implement Split<S, D>
TypeScript
few challengers
59 accepted
56. implement Abs<N>
TypeScript
easy
56 accepted
48. implement Divide<A, B>
TypeScript
easy
55 accepted
47. implement Multiply<A, B>
TypeScript
few challengers
55 accepted
53. Implement SnakeCase<S>
TypeScript
few challengers
46 accepted
50. implement Sort<T>
TypeScript
few challengers
32 accepted
62. implement Unique<T extends any[]>
TypeScript
few challengers
16 accepted