BKBirendra Kinbirendra.site·May 29 · 7 min readHow React Virtual DOM Works Under the HoodReact is known for being fast and efficient when updating user interfaces. One of the main reasons behind this is the Virtual DOM and React's reconciliation process. But what actually happens when a c10
BKBirendra Kinbirendra.site·Apr 28 · 3 min readJavaScript Modules: Import and Export ExplainedWhy We Need Modules In the early days of the web, scripts were loaded one after another. This led to several "code organization nightmares": Global Namespace Pollution: Variables from one file would 10
BKBirendra Kinbirendra.site·Apr 28 · 4 min readAsync Code in Node.js: Callbacks and PromisesThis guide explores the transition from traditional callback patterns to modern Promise-based execution in Node.js, highlighting why asynchronous patterns are the heart of the platform. 1. Why Async 00
BKBirendra Kinbirendra.site·Mar 13 · 5 min readArrow Functions in JavaScript: A Simpler Way to Write FunctionsModern JavaScript introduced arrow functions in ECMAScript 2015 to reduce boilerplate and make functions shorter and easier to read. Arrow functions use the => syntax and provide a concise way to writ00
BKBirendra Kinbirendra.site·Mar 8 · 2 min readUnderstanding Variables and Data Types in JavaScriptVariables — Containers for Storing Data A variable is a container where you can store data. In JavaScript, there are 3 ways to declare variables: • var — Old method, function-scoped, can be overwritte00
