Author: web-admin

Asynchronous programming in Node.js — written as if I’m sitting next to you, explaining it step by step with analogies, real examples, common mistakes, and clear progression from beginner to intermediate understanding. Let’s start...

Asynchronous Programming in Node.js — written as if I’m sitting next to you, explaining it step by step with analogies, real code examples, common mistakes, and the mental models most people need to really...

Promises in Node.js — written as if I’m sitting next to you, explaining everything step by step with real examples, analogies, common mistakes, and the mental models that actually help people understand and use...

1. The most important sentence first async / await is syntactic sugar that makes working with Promises look almost like synchronous code — but it still runs asynchronously. It doesn’t change how the event...

Error Handling in Node.js — written as if I’m sitting next to you, showing code on the screen, explaining decisions, common traps, production patterns, and real-world trade-offs. Let’s go step by step — from...

1. What is a “module” in Node.js? A module is just a file that contains some code that you want to reuse in other files. The most common things you put in modules: Utility...

What is a Module in Node.js? A module is simply a file (or sometimes a folder) that contains JavaScript code you want to reuse in other parts of your application. Most common things we...

What are ES Modules (ESM) and why they matter in Node.js ES Modules (also called ECMAScript Modules) are the official, modern way to write modular JavaScript — the same syntax that browsers have used...

1. What is npm really? (The honest explanation) npm = Node Package Manager It is two things at the same time: A huge online registry → the biggest collection of open-source JavaScript packages in...

1. What is package.json really? package.json is the identity card and configuration file of every Node.js project. It tells: Who the project is (name, version, description) How to run it (scripts) What it needs...