It’s also used for chat applications, streaming services like Netflix, command-line applications, single and multiplayer games that work directly with your browser, and more. Developers use it to build traditional websites and backend services like APIs. One thing to keep in mind about Node.js is that it cannot be used for heavy computation, but it can do a darn good job handling a myriad of communications at once and it’s exceptional for scalability. These kinds of processes allow developers to do more while using less memory and resources. Event looping begins after an input script is executed, and Node.js exits an event loop when there are no more callbacks to perform. Unlike other software, Node.js functions via event looping, which allows developers to use non-blocking I/O that can manage multiple requests. This also means Node.js uses fewer lines of code than other processes. Node.js uses a single-thread, event-driven I/O model instead of the more common thread model, which makes it lightweight and highly efficient at building real time applications (RTAs). Specifically, Node.js is an open-source, cross-platform backend software built on Chrome’s V8 JavaScript engine that executes JavaScript code outside of a browser. Node.js is a JavaScript runtime, or a software that’s designed to execute other software. Most people think Node.js is a programming language or a framework, but in reality, it’s neither. Here’s what you should know about this powerful tool and why it’s so valuable for beginning web developers to be in the ’node’ about Node.js. It also gives a big leg-up to web developers wanting to be well-versed in all parts of a web application. That’s why it’s the chosen tech stack for some of the biggest applications on the web, like Paypal, Uber, and Netflix. Node.js makes building scalable network applications simple and fast. You’ve heard about Python and Java-when it comes to web dev skills, these two are arguably the most popular in the world-but another valuable skill for any aspiring web developer to have in their toolkit is Node.js.
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