Fri Jul 11 2025

Is Node js hard to learn ?

Summary

Node.js is a runtime environment that enables JavaScript execution outside of web browsers. While it's not a mandatory technology stack, it is widely adopted in development. This article covers Node.js fundamentals, providing you with a quick overview. From that, you'll be able to answer the question: Is Node Js hard to learn.

What is NodeJs ?

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NodeJs vs Browser

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How to execute Js by NodeJs ?

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Global variables in NodeJs

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Why we need modules in Node application ?

Real project is complex, so we need to break down huge logic into modules to manage easily

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Built-in Modules

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OS module

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Path module

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Fs Module

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Create web server in NodeJs

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Define basic routes ( More detail in Express section )

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NPM - Node Package Manager

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Why do we need the package.json file ?

It's required to install packages to project, package.json file will store information of installed packages as a dependency

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When sharing code, ignore node_modules file to reduce size of repo

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What are "devDependencies" packages ?

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npm commands

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npm remove package

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Global package

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Install nodemon package global

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What is package-lock.json ?

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Handle long-running tasks: Browser vs NodeJs

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NodeJs Event Loop Examples

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Example when synchronous logic will block multiple request

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How to handle asynchronous in NodeJs ?

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Example of using Async/Await

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Events

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NodeJs is event-driven programming

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Order of logic will impact to output

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