What is NodeJS and Its Features

What is NodeJS and Its Features, Geeks Help by Raju Webdev

What is NodeJS?

NodeJS is an open-source, cross-platform, runtime environment for JavaScript. It is free and runs on various platforms like Windows, Linux, MacOS, Unix, etc. And it is built on Google's V8 JavaScript engine.

NodeJS uses JavaScript on the servers and in web development is used to build real-time applications, web servers, APIs, and much more. NodeJS help developer to run JavaScript code outside the web browser and it is developed by Ryan Dahl in 2009.

In July 2023 the latest version of NodeJS is 18.16.1

Features of NodeJS

1. Asynchronous and Non-Blocking

NodeJS is a JavaScript environment that manages all requests through a single thread. Since every request is processed in an asynchronous manner, the client side never has to wait for the required data. Additionally, it means that the I/O activities are not halted if a request is being handled in the CPU.

2. Easy to Get Started

NodeJS is easy to get started for beginners. And NodeJS uses JavaScript so it is much easier for every JavaScript developer to work with it. 

3. Scalable

NodeJS provides fast and highly scalable services. And it can handle concurrent requests efficiently. Nowadays, most organizations demand scalable software so it is very useful for the organization who wants to scale.

4. Open Source

NodeJS is open-source and it has a large ecosystem. And it is free to use or we can install NodeJS from https://nodejs.org/en

5. Cross-platform Compatibility

NodeJS is compatible with a wide range of platforms, including Windows, Unix, Linux, Mac OS X, and mobile devices. 

6. Performance

The foundation of Node.JS is Google Chrome's V8 JavaScript engine, which enables faster code execution. And the engine compiles the JavaScript code into machine code which makes code easier and faster to implement effectively.

7. NodeJS License

NodeJS is licensed under the MIT License.

8. No Buffering

NodeJS applications never buffer any data because of the callback function concept and the NodeJS applications simply output the data in chunks.

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