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Node.js Development: What, Where, When & How To Use It

What exactly is Node.js?

Built on Chrome's JavaScript runtime, Node.js is a framework for effortlessly constructing fast and scalable network applications. Node.js has an event-driven, non-blocking I/O architecture, making it lightweight and efficient, making it ideal for data-intensive real-time applications that run across dispersed devices.

Node.js is a cross-platform open-source runtime environment for developing server-side and networking applications. Node.js programs are written in JavaScript and run on the Node.js runtime on OS X, Windows and Linux.

Node.js also has a large library of JavaScript modules, which greatly facilitates the creation of web applications with Node.js.

Node.js Development

The Architecture of Node.js

Node.js is the pinnacle of highly adaptable and scalable technology. The server engine employs a non-blocking event-based I/O architecture. This facilitates the adoption of Javascript to the machine language, allowing for faster execution of the code.

Because of Javascript and Node.js, the code runs faster from server to client. This raises the performance of web apps to a higher level. The best thing is that Node.js web application development allows for a consistent and secure non-blocking I/O architecture, which simplifies the code.

Node.js is based on Google's V8 Javascript engine and web applications are event-driven and asynchronous. The Node.js framework employs a "single-threaded event loop."

So, how does Node.js manage concurrent queries in addition to a single-threaded model? Well! "Multi-threaded request-response" architecture is a much slower event loop that cannot accommodate several concurrent threads at the same time.

The platform does not use a similar multi-threaded stateless request/response approach; instead, it employs a reduced single-threaded event loop model. According to Node.js developers & firms providing node.js development services, this feature known as an event loop is provided by a special library named "Libuv." The Javascript event-based approach and callback mechanism have had a big influence on this Node.js processing methodology.

The Benefits of Node.js

● Ease to Use

Scalability is built into the foundation of Node.js. It is one of Node's fundamental advantages specially for startups that intend to grow over time. App-based firms use it to build lightweight, quick systems with a high real-time response that can be scaled up later, as well as to easily add new modules to existing ones. 

● High Level of Performance

The V8 JS engine compiles Javascript code straight into machine code. This saves resources while also increasing the framework's speed. Furthermore, Google invests considerably in its search engine in order to continually enhance its performance.

● A Sizable Community of Support

An engaged community implies a lot of help and feedback. Again, a vibrant node.js development company can assist you in avoiding recreating the wheel — they have built numerous tools and decent instruments that accelerate the development pace. 

● Accelerates Development

The first is that the technology is lightweight and can significantly cut application development time while providing the same functionality. You can quickly go from idea to product with Node. Second, simple deployments allow you to receive rapid feedback from the production environment.

● App Development Freedom

Node.js developers & ventures providing node.js development services have the ability to create cross-platform applications. Because Node.js is compatible with desktop, mobile and web development for Mac, Windows and Linux, you can use it to create cross-platform web apps, Node.js is currently a popular choice for IoT applications as well.

● A Solitary Programming Language

Node.js provides a mix of front-end and back-end Javascript languages. It is much more approachable and adaptable than it appears. It makes the entire web app development cycle for developers and companies more robust and seamless. 

What is the purpose of Node.js?

Here are some Node.js use cases:

● Social Media Networking Backend

Node.js is used to rebuild many well-known websites, including LinkedIn and Medium. To develop a backend for a social media networking site, a specific set of nodes is required.

● Application on One Page

Node.js, like single-page websites, can create a single-page app with the appearance and feel of a desktop application.

● App for Chatting

Node.js provides unique sophisticated features for real-time chatbots and chat systems. Chatbots are quite popular for their essential qualities such as multi-user applications, dense data and large traffic across all devices.

● Streaming Data

Node.js has a distinct advantage over data screaming since it processes files at lightning speed and performs feather-light codecs and uploads.  

● IoT Application

IoT has exploded in popularity in the last decade. Node.js has since become one of the most popular alternatives for enterprises looking to construct public and private IoT solution systems.  

Where should Node.js not be used?

● Tool Imperfection

Node.js has proven to be exceptional in a variety of situations and use cases. Despite the fact that we have a highly talented Node community contributing to npm modules and libraries, many users have complained about bugs, low quality with incomplete modules and a lack of documentation.

● CPU-Intensive Calculations

The simple approach's node beauty has reflected fairly well and has established multiple performance records. Because Node.js is single-threaded, it may not be suitable for your web apps.

● Server-side Processing is Intensive

Because of its event-driven and non-blocking I/O node models, Node.js is probably not the ideal solution for massive server-side processing. While those threads are engaged computing numbers, it prevents incoming requests.

● Backend Relational Database Server-side Web Application

You may also develop a simple web application on the server-side using Node.js and express.js. Any heavy CPU-intensive computation in these web apps will obstruct Node.js responsiveness.

Examples of Well-Known Businesses that Use Node.js


● LinkedIn

● Uber

Other Factors to Consider While Deciding on Node.js

When considering why to utilise Node.js in web development, we need to consider other characteristics that are more organisational rather than technical in nature.

Of course, while choosing the technology stack for your project, you should also consider hiring experienced individuals who are familiar with the tools and platforms you are considering and can use them to the best advantage of your app. You're all set if you already have a Node.js expert on board. If, on the other hand, the technology is appropriate for your idea but you still need to find people to work with it, we have some good news for you. There are a lot of node.js development companies in the market and finding one for your team should not be difficult.

Furthermore, when choosing technologies and looking for engineers to join your team, you should consider the rates of Node.js professionals. You can put together your team by using a variety of hiring models available.


As you can see, Node.js is a powerful technology that performs admirably in many situations. The range of Node.js application examples is extensive and your project may benefit greatly from the use of this technology.

Furthermore, the enormous Node.js community is continually working to improve the platform, and it is possible that even scenarios where Node.js is not the ideal solution will become obsolete.

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