LeetCode 30 day JavaScript Challenge 🔥

The challenge started on May 5, LeetCode selected one JavaScript problem to tackle each day. Solved the daily problem to earn rewards and learned basic JavaScript Skills.

Problems Solved

Day	Topic	Problem	Solution	Difficulty
1	Closure	Create Hello World Function	Solution
2	Closure	Counter	Solution
3	Closure	Counter II	Solution
4	Basic Array Transforms	Apply Transform Over Each Element in Array	Solution
5	Basic Array Transforms	Filter Elements from Array	Solution
6	Basic Array Transforms	Array Reduce Transformation	Solution
7	Function input and Output	Function Composition	Solution
8	Function input and Output	Allow One Function Call	Solution
9	Function input and Output	Memoize	Solution
10	Function input and Output	Curry	Solution
11	Promise	Sleep	Solution
12	Promise	Promise Time Limit	Solution
13	Promise	Promise Pool	Solution
14	Time (setTimeout)	Cache With Time Limit	Solution
15	Time (setTimeout)	Debounce	Solution
16	Time (setTimeout)	Throttle	Solution
17	JSON / Recursion / Important Utilities	JSON Deep Equal	Solution
18	JSON / Recursion / Important Utilities	Convert Object to JSON String	Solution
19	JSON / Recursion / Important Utilities	Array of Objects to Matrix	Solution
20	JSON / Recursion / Important Utilities	Differences Between Two Objects	Solution
21	JSON / Recursion / Important Utilities	Chunk Array	Solution
22	JSON / Recursion / Important Utilities	Flatten Deeply Nested Array	Solution
23	This	Array Prototype Last	Solution
24	This	Group By	Solution
25	This	Check if Object Instance of Class	Solution
26	This	Call Function with Custom Context	Solution
27	Classes	Event Emitter	Solution
28	Classes	Array Wrapper	Solution
29	Generators	Generate Fibonacci Sequence	Solution
30	Generators	Nested Array Generator	Solution

Important

Do checkout Leetcode's Editorial/Solution section of each problem for different approaches and Complexity Analysis.