Coding Interview Question: String Permutations.
Many Big Tech Companies like Google, Facebook, Amazon ask coding question about string permutations. In this post, we are covering the logical solution of string […]
React – Interview Questions and Answers
Question: What is React? Answer: React is an open-source JavaScript library for building user interfaces. React can be used as a base in the development […]
Data Structure Overview
A Data Structure is a data organization, storage format and management that enables efficient access and modification. There are three types of data structures: Linear Array Linked List […]
Javascript Interview Questions and Answers
Read More Here Front-end Interview Prep Guide. What is Closure in Javascript? Closure is a feature in javascript where inner function has access to outer […]
DOM Tree Traversal through Breadth-first Search (BFS)
First We will learn about What is BFS? Breadth-first search (BFS) is an algorithm for traversing tree structures. The algorithm starts at the root node and […]
DOM Tree Traversal through Depth-first Search (DFS)
First We will learn about What is DFS? Depth–first search (DFS) is an algorithm for traversing tree structures. The algorithm starts at the root node and […]
Video Tutorial Series
Check Out Our Video Tutorials for Interview Practice!
Coding Challenge: Given an unsorted array A of size N of non-negative integers, find a continuous sub-array which adds to a given number S.
Input: [1, 2, 4, 6, 7, 5], 12 Output: [7,5] Logic Implementation: We can keep adding numbers from array. We can check conditions, if it […]
Write the code to find the balance point of an Array.
Question: You have given an array of integer. You need to create the algorithm which finds the balance point in the given array and return […]
Design a webpage which can auto-post new posts when you reach the bottom of the page by using JavaScript.
First of all you need to create the html page which contains 1 or 2 posts, which means on the page you can show headline […]