Node js

node js

What is Node JS?

Let’s see what are the Node.js definition versions. The company itself describes Node.js as a “JavaScript runtime built on Chrome V8 engine”. Wikipedia states, that “Node.js is an open-source and cross-platform environment to execute code”.

What should you not run on a Node JS server?

Node.js servers are not great for computational and data-intensive tasks. Thus, it is better to split such tasks into micro-services and deploy separately. Don’t run a Node.js app through port 80.

What is the asynchronous model of Node JS?

the asynchronous model of Node.js gave an opportunity to advance app functionality and better UX As with Node.js one can use JavaScript on the server, this means one can write JavaScript outside the browser. Additionally, Node.js has the same strength as JavaScript. And it is based on events. These are the 3 whales Node.js firmly stands on.

What is an event loop in Node JS?

The event loop is the heart of the Node.js processing model as shown below diagram. n = Number of requests by clients to the Node.js web server. Lets assume they are accessing our Web Application built on top of Node.js concurrently Clients are Client-1, Client-2 . . . Client-n. m = number of threads in thread pool.

What is NodeJS?

What is Node.js? 1 Node.js is an open source server environment 2 Node.js is free 3 Node.js runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.) 4 Node.js uses JavaScript on the server

What is the difference between Node JS and JavaScript?

As with Node.js one can use JavaScript on the server, this means one can write JavaScript outside the browser. Additionally, Node.js has the same strength as JavaScript. And it is based on events. These are the 3 whales Node.js firmly stands on.

What is the latest version of Node JS?

Node.js was developed by Ryan Dahl in 2009 and its latest version is v0.10.36. The definition of Node.js as supplied by its official documentation is as follows − Node.js is a platform built on Chromes JavaScript runtime for easily building fast and scalable network applications.

What is http in Node JS?

HTTP is a first-class citizen in Node.js, designed with streaming and low latency in mind. This makes Node.js well suited for the foundation of a web library or framework. Node.js being designed without threads doesnt mean you cant take advantage of multiple cores in your environment.

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