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If JavaScript files are loaded and executed in the browser how does the server know when the file is a node js file, therefore to execute on the server?
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To learn NodeJS the most important thing you should know is JavaScript.
As a result, writing JavaScript is incredibly easy, and any working environment is similar to a complete browser. Node. js, on the other hand, only enables the V8 engine. Written JavaScript code, on the other hand, can run in any context, regardless of whether the V8 engine is supported.
Node is written in JavaScript. JavaScript is one of the most popular programming languages and nearly every developer is familiar with it. Therefore, learning Node requires less effort and time, even for a junior JavaScript programmer.
Node. js development has become very popular over the last four years and continues to stand the competition in 2022 making startups worldwide choose it over other available options.
JavaScript is a language. node.js is not a language but an "environement/set of software" that runs normal JavaScript.
All browsers have JavaScript engines that run the JavaScript of web pages (Spidermonkey for Firefox, V8 for Chrome).
Node.js is simply the V8 engine bundled with some libraries to do I/O and networking, so that you can use JavaScript outside of the browser (e.g, to create backend services).
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