Understanding The Request-Response Cycle In MERN Stack Applications
Request-response cycle in MERN stack: React sends HTTP req to Express, which queries MongoDB & returns JSON response, updating UI with product details.
In the context of an e-commerce application built with the MERN stack, let's walk through how the request-response cycle works when a user tries to fetch product details. User Interaction on the Frontend (React) A user opens the e-commerce site and wants to view a product's details. They might click on a product listing or search for a specific item. React, which is responsible for the front-end UI, detects this interaction and triggers a request to fetch product data. React makes an HTTP request (using axios, fetch, or similar) to the backend, targeting an endpoint like /api/products/:id, w...