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Node.js

Node.js is a cross-platform, open-source server environment that can run on Windows, Linux, Unix, macOS, and more. Node.js is a back-end JavaScript runtime environment, runs on the V8 JavaScript engine, and executes JavaScript code outside a web browser.

Node.js has an event-driven architecture capable of asynchronous I/O.
There are thousands of open-source libraries for Node.js, most of them hosted on the npm website .

Express.js

Express.js is a back end web application framework for building RESTful APIs with Node.js. It has been called the de facto standard server framework for Node.js.

Express is the back-end component of popular development stacks like the MEAN, MERN or MEVN stack, together with the MongoDB database software and a JavaScript front-end framework or library.

Prettier

For correct work file .prettierrc.json in VSCode be sure in settings:

  • Default formatter
  • Format on save
Watch additional info on stackoverflow