How Node JS Works? This post will help you pass your interview as a backend Developer
Today we are going to talk about what is node js and how it works under the hood. Why it is so in demand in the industry these days
Before starting. If you want to be the part of CODE Culture Community. Just fill out the form to join the Free Code Culture Sessions on Sunday and get your questions answered about coding and career. I am form click me
Introduction to Node.js
1. Definition of Node.js
Node.js is an open-source, cross-platform, server-side JavaScript runtime environment. It allows developers to build scalable network applications using JavaScript on the server side.
2. Key Features of Node.js
• Asynchronous and Event-Driven: Node.js uses an event-driven, non-blocking I/O model, making it suitable for building highly scalable network applications.
• Fast and Efficient: Node.js is built on top of the V8 JavaScript engine and uses a single-threaded, non-blocking I/O model, making it fast and efficient for server-side programming.
How Node.js Works
1. Event Loop
Node.js uses an event loop to handle multiple requests simultaneously. When a request is made, it is placed in a queue, and the event loop processes each request in turn. This allows Node.js to handle a large number of requests without blocking or slowing down.
2. Non-Blocking I/O
Node.js uses a non-blocking I/O model, which means that it can handle multiple requests at the same time without waiting for a response. This makes it possible to handle a large number of concurrent connections without affecting performance.
3. Modules
Node.js uses modules to organize its code and make it reusable. Modules are collections of functions and data structures that can be imported into other parts of the application. This allows developers to build applications that are modular and scalable.
Conclusion
Node.js is a powerful platform for building scalable network applications. Its event-driven, non-blocking I/O model, fast performance, and active community make it a popular choice for server-side development. Whether you’re building a web application, a REST API, or a real-time application, Node.js provides the tools you need to get the job done.
If you have any questions or suggestions just hit me on my Instagram or at codeculturepro@gmail.com
