30+ JavaScript Data Structures and Algorithms Questions

JavaScript Data Structures and Algorithms Questions:

• What are the basic data structures available in JavaScript?
• How do you implement a stack in JavaScript?
• How do you implement a queue in JavaScript?
• What is the difference between a stack and a queue?
• How can you reverse a string using a stack in JavaScript?
• What is the purpose of a linked list, and how can you implement it in JavaScript?
• What is the difference between a singly linked list and a doubly linked list?
• How do you find the middle element of a linked list in JavaScript?
• What is a hash table, and how is it implemented in JavaScript?
• How can you resolve hash collisions in JavaScript?
• What are binary trees, and how do you represent them in JavaScript?
• How do you traverse a binary tree in pre-order, in-order, and post-order in JavaScript?
• What is a binary search tree (BST), and how do you implement it in JavaScript?
• How do you perform insertion and deletion in a binary search tree?
• What is the difference between depth-first search (DFS) and breadth-first search (BFS)?
• How do you implement DFS and BFS in JavaScript?
• What is a graph, and how is it represented in JavaScript?
• How do you detect a cycle in a graph using JavaScript?
• What is dynamic programming, and how is it used in JavaScript?
• How do you solve the knapsack problem using dynamic programming in JavaScript?
• What is the two-pointer technique, and when is it used?
• How do you find the maximum subarray sum using the Kadane's algorithm in JavaScript?
• How do you sort an array using bubble sort, selection sort, and merge sort in JavaScript?
• What is quicksort, and how is it implemented in JavaScript?
• What is the time complexity of different sorting algorithms?
• How do you find the kth smallest or largest element in an array?
• How do you find duplicates in an array using JavaScript?
• How do you find the intersection of two arrays in JavaScript?
• What is a heap, and how do you implement it in JavaScript?
• How do you use a priority queue in JavaScript?
• How do you solve the "longest substring without repeating characters" problem in JavaScript?
• What is a trie, and how is it used in JavaScript?
• How do you implement a LRU (Least Recently Used) cache in JavaScript?
• What is backtracking, and how do you solve problems using it in JavaScript?
• How do you determine if a string is a valid palindrome using JavaScript?
• What is the difference between recursion and iteration, and when should you use each?
• How do you generate all subsets of a given set in JavaScript?