1Array Reduce Theory

2Promises & Async Await Theory

3Function & this Theory

4Prototype and Prototypal Inheritance Theory

5Functions Output

6Closure Output

7Objects Output

8Promises Output

9this Output

10Currying Output

11Var, Let & Const Output

12Map, Filter & Reduce Output

13Call, Apply & Bind Output

14Event Propagation Output

15Primitive & Non Primitive

16Deep Equal

17Clone Clamp & Chunk

18Async Functions in Series

19Pipe & Compose

20Move Zeros

21Get By Path

22Has All Icons

23Retry Promises

24Flatten an Array

25Flatten Deeply Nested Object

26Promise Polyfill

27Promise.all() Polyfill

28Promise.any() Polyfill

29Promise.race() Polyfill

30Promise.finally() Polyfill

31Promise.allSettled() Polyfill

32Promise.resolve() & Promise.reject() Polyfill

33Array.map() Polyfill

34Array.filter() Polyfill

35Array.reduce() Polyfill

36Array.fill() Polyfill

37String.split() Polyfill

38String.length Polyfill

39setInterval() Polyfill

40setTimeout() Polyfill

41Clear All Timeouts Polyfill

42Call Apply Bind Polyfill

43Once Polyfill

44Sleep Polyfill

45Debounce Polyfill

46Throttle Polyfill

47Memoization Polyfill

48Group By Polyfill

49Object.hasOwnPropertyDeep() Polyfill

50JSON Stringify Polyfill

51Jest Expect Polyfill

52Singleton Design Pattern

53Pub Sub Design Pattern I

54Pub Sub Design Pattern II

55Proxy Design Pattern

56Event Emitter

57Array Event Listener

58Analytics SDK

59Circuit Breaker

60Task Scheduling

61In Memory File System

62LRU Cache

63Virtual DOM

64DOM Finder

65Get Elements By Classname

66getByClassnameHierarchy()

67Async Promises in Sequence

68Async Promises in Parallel

69Fetch With Timeout

70mapLimit()

71Cached API

72Request & Response Interceptor

73In Memory Search Engine

74usePrevious() Hook

75CSS Selector Generator

76Method Chaining

77Browser History

78Browser Cookie

79Get Object Value from String Path

80Set Value in Object at String Path

81Localstorage with Expiry

82Find elements with given color

83Aggregate Objects on Keys

84Filter Objects on Value

85HTML Encoding of String 1

86HTML Encoding of String 2