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The ultimate stack guide mern m e r n

The Ultimate MERN Stack Guide M E R N CMongoDB Document database React js Client-side JS framework Express js Node js web framework Node js JavaScript web server CWhat is MERN Stack MERN Stack is a Javascript Stack that is used for easier and faster deployment of full-stack web applications MERN Stack comprises of technologies namely MongoDB Express React and Node js It is designed to make the development process smoother and easier The MERN architecture allows you to easily construct a -tier architecture frontend backend database entirely using JavaScript and JSON Using these four technologies you can create absolutely any application that you can think of everything that exists in this world today Now let ? s understand each technology one by one CMongoDB MERN MongoDB forms the M of the MERN stack and works pretty well with the JavaScript ecosystem MongoDB is a NoSQL database in which data is stored in documents that consist of key-value pairs sharing a lot of resemblance to JSON The data is not stored in the form of tables and that ? s how it di ?ers from other database programs This is how the data stored in MongoDB looks like CExpress JS MERN Express is a exible and clean Node js web application framework that provides a robust set of features to develop web and mobile applications It facilitates the rapid development of Node based web applications Express helps build the backend very easily while staying in JavaScript ecosystem It is preferred for self-projects as it helps focus on learning development and building projects pretty fast In MERN stack Express will be used as backend API server which interacts with mongoDB database to serve data to client React application CReact JS MERN React is an open-source JavaScript library that is used for building user interfaces speci ?cally for single-page applications It ? s used for handling the view layer for web and mobile apps React lets you build up complex interfaces through simple Components connect them to data on your backend server and render them as HTML Almost all the modern tech companies from earlystage startups to the biggest tech companies like Microsoft and Facebook use React The prime reason why react is used is for Single Page Applications SPA SPA means rendering the entire website on one page rather than di ?erent pages of the websites CNode JS MERN NodeJS is a cross-platform JavaScript runtime environment it ? s built on Chrome ? s V engine to run JavaScript code outside the browser for easily building fast and scalable applications The main purpose of NodeJS is simple it allows us to write our backend in JavaScript saving us the trouble of learning a new programming language capable of running the backend Node js is the platform for the application layer logic layer This will not be visible to the clients This is where client applications React will make requests for data or webpages CMERN Roadmap Now let ? s dive into