node js for dummies

Why is node js so difficult?
Since Node. js is an advanced programming skill, the more computer science experience and training you have, the easier it will be to learn.
The biggest hurdle for Node. js students is already surmounted because it is learning HTML/CSS and JavaScript, which is required to start learning Node.
How to learn Node JS step by step for beginners?
How to Start Learning Node.
1Learn JavaScript.
2) Understand Why It Is Called Node.
3) Understand non-blocking in Node.
4) Learn the Concept of the Event Loop.
5) Learn the Global Variables.
6) Learn How to Use the Libraries That Come With Node.
7) Learn Code Writing for Node.
8) Without Using Any Frameworks, Write a Web Application on Node.
Is NodeJS good for beginners?
Is NodeJS good for beginners? Yes, Node. js is a good choice for beginners who want to learn web development or server-side programming.

What Is node?

Node is an environment in which you can run JavaScript code "Outside the web browser". Node be like – "Hey y'all, you give your JS code to me and I'll run it ????". It uses Google's V8 Engine to convert the JavaScript code to Machine Code. Since Node runs JavaScript code outside the web browser, this means that it doesn't have access to certain featu

Global Variables

Let's start this article by learning about some variables present in NodeJS called Global Variables. These are basically variables which store some data and can be accessed from anywhere in your code – doesn't matter how deeply nested the code is. You should know about these commonly used Global variables: 1. __dirname: This variable stores the pat

Modules in Nodejs

In Node.js, a module is essentially a reusable block of code that can be used to perform a specific set of tasks or provide a specific functionality. A module can contain variables, functions, classes, objects, or any other code that can be used to accomplish a particular task or set of tasks. The primary purpose of using modules in Node.js is to h

Short Note on module.exports

In the previous section of the article, we saw how to use module.exports but I felt that it is important to understand how it works in a bit more detail. Hence, this section of the article is like a mini tutorial where we will see how we can export one variable/function as well as multiple variables and functions using module.exports. So, Let's get

Types of Modules in Node

There are 2 types of modules in NodeJS: 1. Built In Modules: These are modules included in Node by default, so you can use them without installation. You just need to import them and get started. 2. External Modules: These are modules created by other developers which are not included by default. So you need to install them first before using them

Event-Driven Programming

Ok, before we move forward to learn the HTTP Module and create our own servers, it's important to know about something called "Event driven programming". Event-driven programming is a programming paradigm where program flow is largely determined by events or user actions, rather than by the program's logic. In this type of programming, the program

Let's Create A Server

Finally let's move to the good part ???????? and learn how to create a Web Server using the httpmodule: Step 1: Import the httpmodule like this: Step 2: The http module provides you with http.createServer() function which helps you create a server. This function accepts a callback function with 2 parameters – req (which stores the incoming request obje

Let's Serve Something Interesting

Up until now you've learned how to set up web servers but we haven't built anything interesting. So let's add some fun to our lives. In the last section of this tutorial, we will be serving this navbar: Since this is not a front-end related tutorial, we will not be building this navbar from scratch. Instead, you can head over to this GitHub repo an

Conclusion

With this we come to the end of this tutorial – I hope you liked it and learned a lot about Node. Do share your learnings from this guide on Twitter and LinkedIn (#LearnInPublic) and follow freeCodeCamp for more such informative coding articles. Connect with me on Twitter: Twitter - Krish4856, DMs Open. See you next time ???? ❤️ ✨ freecodecamp.org

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