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What is the NodeJS?

Node.js is an open-source and cross-platform JavaScript runtime environment. It is a popular tool for almost any kind of project.
Node.js is built on Google Chrome’s V8 JavaScript engine, its library is extremely fast for code execution.
Node Package Manager has more than 50,000 bundles, so whatever functionality is required for an application can be easily imported from NPM.
A Node.js app runs in a single process, without creating a new thread for every request.
Node.js provides a set of asynchronous I/O primitives in its standard library that prevent JavaScript code from blocking and generally, libraries in Node.js are written using non-blocking paradigms, making blocking behavior the exception rather than the norm.

NodeJS Architecture

Node.js uses the “Single Threaded Event Loop” architecture to handle multiple concurrent clients.
Node.js is the epitome of exceptionally customizable and scalable tech.
The server engine utilizes an event-based, non-blocking I/O model. This makes the adaptation of Javascript easier to the machine language providing quick execution of the code.
Node.js is popular and understand better how Node.js works
The main feature of Node.js are
An Event is Fired specifying that the Time Consuming task is executed and further Processing of the Request can be resumed by the Main Thread.
NodeJS Architecture
Node.js runs on Google’s V8 Javascript engine, where web applications are event-based in an asynchronous manner. Node.js platform uses a “single-threaded event loop.”
Node.js handle concurrent requests along with a single-threaded model? Well! “Multi-threaded request-response” architecture is an event loop that is much slower and unable to handle multiple concurrent threads at a time.
NodeJS Architecture
The platform does not follow a similar request/response multi-threaded stateless model; instead, it goes by a simplified single-threaded event loop model. As per Node.js developers, a specific library called “Libuv” provides this mechanism known as an event loop. This Node.js processing model is majorly based on Javascript event-based model along with the callback mechanism.

Advantages of NodeJS

Disadvantages of NodeJS

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