Express.js is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. Here are the key aspects of Express.js: Minimalist Framework : Express.js is designed to be lightweight, providing only the essential tools and features needed to build web applications and APIs, while allowing developers to add other modules as needed. Middleware : Express.js makes extensive use of middleware, which are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle. Middleware can execute code, modify the request and response objects, end the request-response cycle, and call the next middleware function. Routing : Express.js has a powerful and flexible routing system that allows developers to define routes for their applications. Routes can handle different HTTP methods (GET, POST, PUT, DELETE, etc.) and can be parameterized to cap...
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