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https://github.com/cheatsheet1999/FrontEndCollection

Notes for Fullstack Software Engineers. Covers common data structure and algorithms, web concepts, Javascript / TypeScript, React, and more!
https://github.com/cheatsheet1999/FrontEndCollection
data-structures front-end-development frontend fullstack interview javascript leetcode nodejs react typescript webdevelopment
Last synced: about 2 months ago
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Notes for Fullstack Software Engineers. Covers common data structure and algorithms, web concepts, Javascript / TypeScript, React, and more!
Host: GitHub
URL: https://github.com/cheatsheet1999/FrontEndCollection
Owner: cheatsheet1999
Created: 2021-06-16T04:02:44.000Z (over 3 years ago)
Default Branch: main
Last Pushed: 2024-06-09T08:51:27.000Z (7 months ago)
Last Synced: 2024-06-30T21:54:23.505Z (6 months ago)
Topics: data-structures, front-end-development, frontend, fullstack, interview, javascript, leetcode, nodejs, react, typescript, webdevelopment
Language: JavaScript
Homepage:
Size: 13.9 MB
Stars: 3,016
Watchers: 148
Forks: 420
Open Issues: 42
Metadata Files:
- Readme: README.md
Awesome Lists containing this project

awesome-tech-resources - front-end-collection - end Software Engineers. Covers common data structure and algorithms, basic web concepts, HTML & CSS & Javascript. (Awesome Github Repositorys)
README

        # FrontEndCollection (Keep updating everyday, hopefully...)

## Web Development Basics

### HTML 📖

[1. What happens when you type in a URL](https://github.com/cheatsheet1999/FrontEndCollection/issues/2)  

[2. GET vs POST](https://github.com/cheatsheet1999/FrontEndCollection/issues/4)  

3. What can we do to improve a website's performance?  

4. HTML5 offline storage mechanism  

[5. Common time and space-complexity](https://github.com/cheatsheet1999/FrontEndCollection/issues/9)  

[6. What has been deprecated, and what is new on HTML5?](https://github.com/cheatsheet1999/FrontEndCollection/issues/11)  

[7. How the DOM really works?](https://github.com/cheatsheet1999/FrontEndCollection/issues/18)  

[8. Inline elements, Block elements, and what are the differences?](https://github.com/cheatsheet1999/FrontEndCollection/issues/27)  

[9. Several ways to call a function](https://github.com/cheatsheet1999/FrontEndCollection/issues/28)  

[10. A brief introduction of the differences between "src" and "href"](https://github.com/cheatsheet1999/FrontEndCollection/issues/29)  

[11. A brief introduction of Call, Apply, Bind](https://github.com/cheatsheet1999/FrontEndCollection/issues/30)  

[12. Time and space complexity for common sorting algorithm](https://github.com/cheatsheet1999/FrontEndCollection/issues/9)  

### CSS 💎

[1. What is the difference between display:none and visibility:hidden style?](https://github.com/cheatsheet1999/FrontEndCollection/issues/37)  

[2. What is BFC(Block Formatting Context)](https://github.com/cheatsheet1999/FrontEndCollection/issues/38)

### JavaScript Concepts 📦

[`this` keyword](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/%60this%60%20keyword.md)   

[Bubbling and Capturing](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Bubbling%20and%20Capturing.md)   

[Execution Context](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Execution%20Context.md)   

[Higher Order Function](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Functions%20%26%20Callbacks.md)      

[Event Loop](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Single%20Thread,%20Event%20Loop%20&%20Blocking%20Code.md)      

[Closures](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Closures.md)   

[Throttling and Debouncing](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Throttling%20and%20Debouncing.md)   

[Promises](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/Web-Note/Promises.md)    

### JavaScript Demos 🖥

[Consuming Promises](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/JS-Day/Consuming%20Promises)     

### React Concepts 💡   

[Controlled Components](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/Web-Note/Controlled%20Components)   

### React Projects (In ascending order of difficulty)

[ExpenseTracker](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/React/ExpenseTracker)        

### Node.js Demos 🟢

[Receive input](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Day/Receive%20input/preview.md)     

  

## Projects

[1. Accordion](https://github.com/cheatsheet1999/FrontEndCollection/issues/17)   

[2. ModalBox](https://github.com/cheatsheet1999/FrontEndCollection/issues/23)  

[3. Drum Kit](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/JS-Day/DrumKit)  

[4. Mini Clock](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/JS-Day/Mini%20Clock)  

[5. Playing with Variables](https://github.com/siyuan25/FrontEndCollection/tree/main/JS-Day/Playing%20with%20Variables)  

## Deep Dive in Javascript 

[_Learn More on BFE.dev_](https://bigfrontend.dev/)  

[1. Implement Curry()](https://github.com/cheatsheet1999/FrontEndCollection/issues/33)   

[2. implement Array.prototype.flat()](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Core/implement%20Array.prototype.flat().md)  

[3. Implement curry() with placeholder support](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Core/implement%20curry()%20with%20placeholder%20support.md)  

## Data Structures & Algorithms in JavaScript

### Solve the questions on [Codewar](https://www.codewars.com/) if you are a beginner

[Beginners](https://github.com/cheatsheet1999/FrontEndCollection/tree/main/JS-Algo/Beginners)   

Array

[0001. Two Sum](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0001.%20Two%20Sum.md)           

[Two Sum II - Input Array Is Sorted](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Two%20Sum%20II%20-%20Input%20Array%20Is%20Sorted.md)   

[0011. Container With Most Water](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0011.%20Container%20With%20Most%20Water.md)      

[0026. Remove Duplicates from Sorted Array.md](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0026.%20Remove%20Duplicates%20from%20Sorted%20Array.md)        

[Search Insert Position](https://github.com/cheatsheet1999/FrontEndCollection/issues/26)  

[Squares of a Sorted Array](https://github.com/cheatsheet1999/FrontEndCollection/issues/31)        

[Last and Second Last](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Last%20and%20Second%20Last.md)  

[Rotate Array](https://github.com/cheatsheet1999/FrontEndCollection/issues/32)  

[Meeting Rooms II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Meeting%20Rooms%20II.md)  

[Intersection of Two Arrays II](https://github.com/cheatsheet1999/FrontEndCollection/issues/36)  

[Remove Nth Node From End of List](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Remove%20Nth%20Node%20From%20End%20of%20List.md)  

[K Closest Points to Origin](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/K%20Closest%20Points%20to%20Origin.md) 

[Maximum Subarray](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Maximum%20Subarray.md)        

[Best Time to Buy and Sell Stock](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Best%20Time%20to%20Buy%20and%20Sell%20Stock.md)  

[First Bad Version](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/First%20Bad%20Version.md)    

[Meeting Rooms](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Meeting%20Rooms.md)   

[Trapping Rain Water](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Trapping%20Rain%20Water.md)  

[Product of Array Except Self](https://github.com/cheatsheet1999/FrontEndCollection/issues/1)  

[Merge Intervals](https://github.com/cheatsheet1999/FrontEndCollection/issues/3)   

[Longest Consecutive Sequence](https://github.com/cheatsheet1999/FrontEndCollection/issues/7)  

[Spiral Matrix](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Spiral%20Matrix.md)     

[Coin Change](https://github.com/cheatsheet1999/FrontEndCollection/issues/13)  

[Gas Station](https://github.com/cheatsheet1999/FrontEndCollection/issues/15)  

[Top K Frequent Elements](https://github.com/cheatsheet1999/FrontEndCollection/issues/19)  

[3 Sum](https://github.com/cheatsheet1999/FrontEndCollection/issues/20)  

[Count Binary Substrings](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Count%20Binary%20Substrings.md)  

[Word Search](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Word%20Search.md)  

[Subarray Sum Equals K](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Subarray%20Sum%20Equals%20K.md)  

[Subdomain Visit Count](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Subdomain%20Visit%20Count.md)  

[Next Permutation](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Next%20Permutation.md)  

[Expressive Words](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Expressive%20Words.md)   

[Verifying an Alien Dictionary](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Verifying%20an%20Alien%20Dictionary.md)  

[4Sum(nSum universal solution)](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/4Sum.md)  

[3Sum Closest](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/3Sum%20Closest.md)   

[Jump Game](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Jump%20Game.md)   

[Jump Game II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Jump%20Game%20II.md)    

[Minimum Size Subarray Sum](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Size%20Subarray%20Sum.md)   

[Matrix Summation](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Matrix%20Summation.md)  

[Counting Analogous Arrays](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Counting%20Analogous%20Arrays.md)  

[Custom Sorted Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Custom%20Sorted%20Array.md)         

[Reformat Date](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reformat%20Date.md)          

[Game of Life](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Game%20of%20Life.md)        

[Search a 2D Matrix II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Search%20a%202D%20Matrix%20II.md)     

[Kth Largest Element in an Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Kth%20Largest%20Element%20in%20an%20Array.md)     

[Insert Delete GetRandom O(1)](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Insert%20Delete%20GetRandom%20O(1).md)     

[Reaching Points](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reaching%20Points.md)     

[Pow(x, n)](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Pow(x%2C%20n).md)    

[Sum of Square Numbers](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Sum%20of%20Square%20Numbers.md)     

[Minimum Moves to Equal Array Elements](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Moves%20to%20Equal%20Array%20Elements.md)

[Buying Show Tickets](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Buying%20Show%20Tickets.md)     

[Count Duplicate Elements](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Count%20Duplicate%20Elements.md)   

[Password Creation](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Password%20Creation.md)  

 

 

 

Two Pointers

  

[0015. 3Sum](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0015.%203Sum.md)           

[0016. 3Sum Closest](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0016.%203Sum%20Closest.md)

[0283. Move Zeroes](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0283.%20Move%20Zeroes.md)

 

String



Palindrome

[0005. Longest Palindromic Substring](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0005.%20Longest%20Palindromic%20Substring.md).            

[0009. Palindrome Number](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0009.%20Palindrome%20Number.md)       

  





   Uncategorized 

[0006. Zigzag Conversion](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0006.%20Zigzag%20Conversion.md)    

[0007. Reverse Integer](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0007.%20Reverse%20Integer.md)      

[0014. Longest Common Prefix](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0014.%20Longest%20Common%20Prefix.md)       

[Reverse String](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reverse%20String.md)    

[Reverse Words in a String III](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reverse%20Words%20in%20a%20String%20III.md)      

[Longest Common Prefix](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20Common%20Prefix.md)    

[Valid Palindrome II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Valid%20Palindrome%20II.md)     

[Longest Substring Without Repeating Characters](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20Substring%20Without%20Repeating%20Characters.md)   

[Letter Combinations of a Phone Number](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Letter%20Combinations%20of%20a%20Phone%20Number.md)   

[Generate Parentheses](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Generate%20Parentheses.md)   

[Decode String](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Decode%20String.md)   

[Longest Palindromic Substring](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20Palindromic%20Substring.md)   

[Time Based Key-Value Store](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Time%20Based%20Key-Value%20Store.md)  

[Longest String Chain](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20String%20Chain.md)  

[Robot Bounded In Circle](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Robot%20Bounded%20In%20Circle.md)  

[Word Break](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Word%20Break.md)    

[Minimum Number of Steps to Make Two Strings Anagram](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Number%20of%20Steps%20to%20Make%20Two%20Strings%20Anagram.md)      

[Reorganize String](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reorganize%20String.md)    

[Group Anagrams](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Group%20Anagrams.md)    

[Shortest Word Distance II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Shortest%20Word%20Distance%20II.md)          

[Simplify Path](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Simplify%20Path.md)       

[Search Suggestions System](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Search%20Suggestions%20System.md)           

[Remove All Adjacent Duplicates in String II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Remove%20All%20Adjacent%20Duplicates%20in%20String%20II.md)      

[Fraction to Recurring Decimal](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Fraction%20to%20Recurring%20Decimal.md)     

[Accounts Merge](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Accounts%20Merge.md)     

[Longest Happy String](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20Happy%20String.md)    

[Minimum Deletions to Make Character Frequencies Unique](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Deletions%20to%20Make%20Character%20Frequencies%20Unique.md)     

 



Stack

[Buildings With an Ocean View](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Buildings%20With%20an%20Ocean%20View.md)    

[Valid Parentheses](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Valid%20Parentheses.md)    

[Minimum Remove to Make Valid Parentheses](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Remove%20to%20Make%20Valid%20Parentheses.md)  

Map

  

[0560. Subarray Sum Equals K](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0560.%20Subarray%20Sum%20Equals%20K.md)

  

Set

  

[0003. Longest Substring Without Repeating Characters](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0003.%20Longest%20Substring%20Without%20Repeating%20Characters.md)     

  

Object Manipulation

 

[0012. Integer to Roman](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0012.%20Integer%20to%20Roman.md)      

[0013. Roman to Integer](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0013.%20Roman%20to%20Integer.md)           

  

Linked-List   

  

[0002. Add Two Numbers](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/0002.%20Add%20Two%20Numbers.md)    

[206. Reverse Linked List](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/206.%20Reverse%20Linked%20List.md)     

[Linked List Cycle](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Linked%20List%20Cycle.md)   

[Middle of the Linked List](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Middle%20of%20the%20Linked%20List.md)    

[Linked List Cycle II](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Linked%20List%20Cycle%20II.md)   

[Add Two Numbers](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Add%20Two%20Numbers.md)  

[Design Linked List](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Design%20Linked%20List.md)        

[LRU Cache](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/LRU%20Cache.md)   

Tree



   ⭐ 

[Binary Tree Preorder Traversal](https://github.com/cheatsheet1999/FrontEndCollection/issues/21)  

[Binary Tree Inorder Traversal](https://github.com/cheatsheet1999/FrontEndCollection/issues/22)  





   ⭐⭐ 

  

[Construct Binary Tree from Preorder and Inorder Traversal](https://github.com/cheatsheet1999/FrontEndCollection/issues/8)  

[Invert Binary Tree](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Invert%20Binary%20Tree.md)     

[Lowest Common Ancestor of a Binary Tree](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Lowest%20Common%20Ancestor%20of%20a%20Binary%20Tree.md)        

[Recover Binary Search Tree](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Recover%20Binary%20Search%20Tree.md)    





   ⭐⭐⭐ 

  

[Range Sum of BST](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Range%20Sum%20of%20BST.md)    

[Binary Tree Vertical Order Traversal](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Binary%20Tree%20Vertical%20Order%20Traversal.md)   

[Validate Binary Search Tree](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Validate%20Binary%20Search%20Tree.md)     

[Sum Root to Leaf Numbers](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Sum%20Root%20to%20Leaf%20Numbers.md)       

[Binary Tree Right Side View](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Binary%20Tree%20Right%20Side%20View.md)  



Recursion & Backtracking

[Combinations](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Combinations.md)   

BFS & DFS

[Flood Fill](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Flood%20Fill.md)       

[Max Area of Island](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Max%20Area%20of%20Island.md)     

[Merge Two Binary Trees](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Merge%20Two%20Binary%20Trees.md)     

[Populating Next Right Pointers in Each Node](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Populating%20Next%20Right%20Pointers%20in%20Each%20Node.md)         

[01 Matrix](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/01%20Matrix.md)   

[Rotting Oranges](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Rotting%20Oranges.md)   

[Number of Islands](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Number%20of%20Islands.md)    

[Minimum Knight Moves](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Knight%20Moves.md)     

Binary Search

[Binary Search](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Binary%20Search.md)    

[Find First and Last Position of Element in Sorted Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Find%20First%20and%20Last%20Position%20of%20Element%20in%20Sorted%20Array.md)     

[Search in Rotated Sorted Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Search%20in%20Rotated%20Sorted%20Array.md)   

[Find Peak Element](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Find%20Peak%20Element.md)

Database Management

  

[Unit 2 Exploring Databases and SQL](https://github.com/cheatsheet1999/FrontEndCollection/issues/45)   

[ER diagram, Relational Algebra, SQL / NOSQL](https://github.com/cheatsheet1999/FrontEndCollection/issues/14)     

[Unit 3: Data Storage](https://github.com/cheatsheet1999/FrontEndCollection/issues/43)     

[Unit 4: Data Indexing](https://github.com/cheatsheet1999/FrontEndCollection/issues/35)     

[Unit 5: Transactions and Recovery](https://github.com/cheatsheet1999/FrontEndCollection/issues/39) 

[Unit 6: Concurrency](https://github.com/cheatsheet1999/FrontEndCollection/issues/40)   

[Unit 1 - 6 Practice Questions Solutions](https://github.com/cheatsheet1999/FrontEndCollection/issues/47) 

  TikTok 🎶

  

  [Count Analogous Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Count%20Analogous%20Array.md)  

  [Is this a tree](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Is%20this%20a%20tree.md)  

  [Longest String Chain](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Longest%20String%20Chain.md)  

  [Fizz Buzz](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Fizz%20Buzz.md)   

  [Last and Second Last](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Last%20and%20Second%20Last.md)  

  [Custom Sorted Array](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Custom%20Sorted%20Array.md)      

  [Gas Station](https://github.com/cheatsheet1999/FrontEndCollection/issues/15)  

  [Minimum Number of Steps to Make Two Strings Anagram](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Minimum%20Number%20of%20Steps%20to%20Make%20Two%20Strings%20Anagram.md)     

  [Count Binary Substrings](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Count%20Binary%20Substrings.md)    

  [Anagram Difference](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Anagram%20Difference.md)    

  [Counting Analogous Arrays](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Counting%20Analogous%20Arrays.md)  

  [Reformat Date](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reformat%20Date.md)    

  [Alaaddin Carpet](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Alaaddin%20Carpet.md)    

  [Reaching Points](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/Reaching%20Points.md)   

  [OA with not answers](https://github.com/cheatsheet1999/FrontEndCollection/blob/main/JS-Algo/OA%20with%20not%20answers.md)   

  

***

🤯 If you find errors in the content of this project, don't hesitate to submit issues or pull requests on GitHub for corrections, I really, really appreciate it

🤯如果你发现本项目有任何内容上的错误，欢迎在 GitHub 提交 issues 或者 pull requests 进行打脸