Node JS course in noida

 


Node.js

Node.js uses JavaScript to run JavaScript in an event-driven environment. Uses the V8 engine that Google developed for their Chrome web browser to run JavaScript. The node can leverage V8 to create a server-side environment that compiles JavaScript and executes it at lightning speed. V8 compiles JavaScript directly into native machine code and does not interpret or execute it as bytecode. This is the reason for the significant speed improvement. is an open-source, cross-platform program that runs on Mac OSX, Windows, and Linux.

JavaScript, however? What about the server side? Why? Although JavaScript was traditionally a web browser tool that did menial tasks, it is a fully functional programming language capable of doing anything more complex languages like C++. Ruby and Java are both Ruby. JavaScript also has an excellent event model that is ideal for asynchronous programming. JavaScript is a well-known language that millions of developers use every day. This reduces the learning curve for Node.js as most developers won’t need to learn a new language in order to build applications.

Asynchronous Programming Made Easy

The Event Loop is the true magic of Node JS course in noida. It not only executes JavaScript lightning fast, but it also makes JavaScript dash. All I/O intensive operations performed in Node.js asynchronously are used to scale up to large numbers of clients. Traditional threaded asynchronous code implementation is cumbersome. It creates non-trivial memory footprints for large clients. Each client spawns its own thread, which increases memory consumption. has an event loop that handles all asynchronous operations. This is to avoid inefficiency and the difficulties of programming threaded apps. An application that needs to perform a blocking operation, such as I/O operations or heavy computations, sends an event loop with a callback function and then continues execution of the rest. The event loop tracks the asynchronous operation and executes the callback function when it finishes. It then returns the results to the application. This makes it possible to manage many operations, such as client connections, and computations. The event loop can efficiently manage the thread pool, optimise task execution, and let you know when the callback has been completed. This makes it easy for developers to focus on their applications by leaving this responsibility to the event loop.
Location: Noida, Uttar Pradesh, India

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