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Node.js Tutorial

Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside of a browser. Node.js lets developers use JavaScript to write command-line tools and for server-side scripting—running scripts server-side to produce dynamic web page content before the page is sent to the user’s web browser.

Consequently, Node.js represents the “JavaScript everywhere” paradigm, unifying the web application development around a single programming language, rather than different languages for server-side and client-side scripts.

As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications. In the following “hello world” example, many connections can be handled concurrently. Upon each connection, the callback is fired, but if there is no work to be done, Node.js will sleep.

Let’s check out some basic and advanced node tutorials.

Basics

Node.js Express

Advanced Node

Express Framework

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