What is the MERN stack and what does each letter do?
Model answer
MongoDB (database), Express (web framework for the API), React (frontend), and Node.js (runtime that runs Express). A browser loads the React app, which calls the Express API, which reads and writes MongoDB. All layers use JavaScript, which makes it quick for one team to learn and build.
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MERN Capstone: Production Checklist, Common Mistakes and What to Build Next in the course MERN Stack Full Course: MongoDB, Express, React and Node.js.
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