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Node.js is a server-side open-source, cross-platform JavaScript run-time environment for executing JavaScript code outside of a browser.

11. Techuz InfoWeb Pvt. Ltd

Techuz is an eminent name in the IT industry especially known for catering highly sophisticated web development services. Established in 2013, it has helped several startups and enterprises to achieve their business goals with their state-of-the-art technical assistance. The team of highly skilled developers and designers offers complete end-to-end services starting from designing elegant UI/UX to development, testing and deployment.

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JavaScript is mainly used for client-side scripting, where the JS code is embedded in a webpage's HTML and run on the client-side by the user’s browser JavaScript engine. Node.js provides developers with the power to create JavaScript command line tools for server-side scripting. This enables server-side dynamic pages that are streamed to the client. This solves the issue of different languages for different settings and provides a JS script for both server and client.

What is Node.js?

Node.js is an asynchronous I/O event-driven architecture that optimizes scalability and throughput of web applications with multiple I/O operations as well as enhances real-time web applications. As such, Node.js is the application of the same language to eliminate “translation” between different language sets between the client and the server. Node.js was created by Ryan Dahl in 2009. He devised the concept when he saw that a file upload progress bar on Flickr didn’t know how much of the file had been uploaded and this required the use of a query the Web server. Dahl decided that there had to be an easier way for clients and servers to talk to each other. Node.js is found in many leading sites that have ultra-high traffic, and these include LinkedIn, Microsoft, Netflix, PayPal, GoDaddy, Groupon, IBM, Walmart, Rakuten, Yahoo! and more.


Node.js is not a language it is a JavaScript runtime environment that provides you with everything you need to execute a JavaScript program. Node.js extends JavaScript from client side page management to server-side applications, as such it can replace higher languages such as Python, making application development and server-client synchronicity much easier and faster to both develop and perform. Node.js also uses the V8 JavaScript runtime engine.

Why Node.js?

Rather than make things up, I will directly quote the Node.js site:
  • Node.js® is a JavaScript runtime built on Chrome’s V8 JavaScript engine.
  • Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.
  • Node.js’ package ecosystem, NPM (node package manager), is the largest ecosystem of open source libraries in the world.

Node.js benefits

Node.js eliminates I/O blocking since it uses the same language and syntax, both sides of the equation are written in the same language and do not need a translator in the middle. Node.js is modular, now everyone claims to be modular, but Node.js is a module system, you create blocks of code that are self-contained modules and can integrate them anywhere and without installation issues.