@Koustav

How React Virtual DOM works under the hood

6d ago · 7 min read · What problem does the virtual DOM solves? To understand the use of react, we first how native browsers like firefox, chrome etc. render raw HTML,CSS and JavaScript. Browser renders them using the foll

Build a Complete CI/CD Pipeline with Jenkins, Argo CD, and Kubernetes

Sep 29, 2025 · 8 min read · Pre-requisites Minikube installed Docker Installed Git installed and GitHub account Nexus Repository Installed Jenkins Install Basic knowledge of Kubernetes | Note: For Windows users, have WSL and Ubuntu installed for the Nexus repository Wat...

Advanced JS Concepts

Mar 8, 2025 · 14 min read · Lexical Scoping and Closure Consider the code: function a() { let c=10 return function b(){ console.log(c) } } const func=a() func() // 10 a() creates a local variable called c and a function called b(). The b() function is an in...

Modern JavaScript (ES6+) Features You Should Know

Feb 28, 2025 · 6 min read · JavaScript has evolved significantly over the years, with ES6 (ECMAScript 2015) introducing major improvements that make the language more powerful and readable. Since then, newer versions have continued to add enhancements, making JavaScript more ef...

Asynchronous JavaScript: Handling Time-Sensitive Code

Feb 27, 2025 · 7 min read · JavaScript is single-threaded, meaning it executes one task at a time. However, many real-world applications require handling time-sensitive operations like fetching data, processing user inputs, and managing UI updates without blocking the execution...