LeetCode solution and test using JavaScript

Why this repo ?

This is my personal training project for LeetCode. As a FullStack developer, I want to practice the lastest feature of JavaScript. I also want to provide test cases for each question, which is missing in many similar projects.

Common data structures & API

This table below summarizes the common used data structures in JS and some examples using latest native APIs.

Data Structure	Java	JavaScript	Examples
array	T[] dirs = new T[5];	new Array(5)	array.js
dynamic array	ArrayList	[]	dynamic-array.js
list	LinkedList	N/A	N/A
OrderedSet OrderedMap	TreeSet TreeMap<T1, T2>	N/A	N/A
HashSet HashMap	HashSet HashMap<T1, T2>	Set() Map()	set.js map.js
heap	PriorityQueue	N/A	N/A
queue deque	Queue Deque	[] with push, pop, shift & unshift	queue-deque.js
stack	Stack	[] with push & pop	stack.js
pair tuple	N/A	Destructuring from object	tuple.js

Solved problems

#	Title	Solution	Tests	Difficulty
1	Two Sum	JavaScript	Jest	Easy
2	Add Two Numbers	JavaScript	Jest	Medium
3	Longest Substring Without Reating Characters	JavaScript	Jest	Medium
5	Longest Palindromic Substring	JavaScript	Jest	Medium
6	Zigzag Conversion	JavaScript	Jest	Medium
7	Reverse Integer	JavaScript	Jest	Easy
8	String To Integer	JavaScript	Jest	Medium
9	Palindrome Number	JavaScript	Jest	Easy
11	Container With Most Water	JavaScript	Jest	Medium
12	Integer To Roman	JavaScript	Jest	Medium
13	Roman To Integer	JavaScript	Jest	Easy
14	Longest Common Prefix	JavaScript	Jest	Easy
15	3sum	JavaScript	Jest	Medium
16	3sum Closest	JavaScript	Jest	Medium
17	Letter Combination Of A Phone Number	JavaScript	Jest	Medium
18	4sum	JavaScript	Jest	Medium
19	Remove Nth Node From End Of List	JavaScript	Jest	Medium
20	Valid Parentheses	JavaScript	Jest	Easy
21	Merge Two Sorted Lists	JavaScript	Jest	Easy
22	Generate Parentheses	JavaScript	Jest	Medium
24	Swap Nodes In Pairs	JavaScript	Jest	Medium
26	Remove Duplicates From Sorted Array	JavaScript	Jest	Easy
27	Remove Element	JavaScript	Jest	Easy
28	Implement Strstr()	JavaScript	Jest	Easy
31	Next Permutation	JavaScript	Jest	Medium
33	Search In Rotated Sorted Array	JavaScript	Jest	Medium
34	Find First And Last Position Of Element In Sorted Array	JavaScript	Jest	Medium
35	Search Insert Position	JavaScript	Jest	Easy
38	Count And Say	JavaScript	Jest	Easy

LICENSE

MIT