10 JavaScript Concepts Every Developer Must Master in 2025

The Interesting polygon challenge Below we will define an n-interesting polygon. Your task is to find the area of a polygon for a given n. A 1-interesting polygon is just a square with a side of length 1. An n-interesting polygon is obtained by…
The Zigzag challenge Given an array of integers numbers, your task is to check all the triples of its consecutive elements for being a zigzag. More formally, your task is to construct an array of length numbers.length – 2, where…
An introduction for nodejs interview questions for experienced Nodejs jobs demand increased rapidly in the last few years and it is expected that this demand will be higher in the next few years also. In this post, I provide a list…
The Palindrome challenge The palindrome challenge is one of the most popular coding challenges in different coding exams at most software companies, especially at the big tech companies like Google, Microsoft, Facebook, Amazon, and more. What is a palindrome? The word/number…
Introduction In this post, I’m going to explore some of the most important open source nodejs based applications. NodeJS is a server-side platform that’s built on the google chrome v8 engine. Node.js is an open-source, cross-platform, back-end, JavaScript runtime…