This is in stark contrast to the typical web response paradigm, where the client always initiates communication. After over 20 years of stateless-web based on the stateless request-response paradigm, we finally have web applications with real-time, two-way connections, where both the client and server can initiate communication, allowing them to exchange data more freely.

Node.js shines in real-time web applications employing push technology over WebSocket. Ryan Dahl, the creator of Node.js was “inspired by applications like Gmail” and-in creating Node.js-aimed to create real-time websites with push capability.Īfter over 20 years of stateless-web based on the stateless request-response paradigm, we finally have web applications with real-time, two-way connections. Node.js provides developers a comprehensive tool for working in the non-blocking, event-driven I/O paradigm. Additionally, Node.js is based on the open web stack (HTML, CSS, and JS), and operates over the standard port 80. Node.js is composed of Google’s V8 JavaScript engine, the libUV platform abstraction layer, and a core library that is written in JavaScript. This Node.js tutorial addresses how to realize these advantages and why you might-or might not-use Node.js. With all of its advantages, Node.js plays a critical role in the technology stack of many high-profile companies who depend on its unique benefits. As this is more a benefit of JavaScript than Node.js specifically, we won’t elaborate further.

The things we do on the web nowadays were hard to imagine just several years ago.īefore we dig into Node.js (“Node”) solutions, consider that applying JavaScript across the stack to unify the language and data format (JSON), would facilitate the optimal reuse developer resources. JavaScript’s popularity has brought with it a lot of changes. It has been modified to include recent sources and to align with our current editorial standards.

Editor’s note: The English version of this article was updated on by our editorial team.

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