MERN is a collection of technologies that enables faster application development. It is used by developers worldwide. The main purpose of using MERN stack is to develop apps using JavaScript only. This is because the four technologies that make up the technology stack are all JS-based. Thus, if one knows JavaScript (on json), the backend, frontend, and database can be operated easily.
what is React.js
client side (browser) library which allows you for a highly reactive user interface
render UI with dynamic data
handle user input
communicate with the backend service
provide mobile-app like experience
what is Node.js
execute JS outside the browser.
listen and request send a response
excecute server-side logic
interact with databases and files
what is express.js
based on the node same functionality
middleware based funnel requests through functions
include routing view rendering and more
what is MongoDB
NoSQL database which state Document in a collection insted of recorded in tables as in SQL
store application data
enforce no data schema and relations
easily connected to node/express.
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