Description: Middleware handling refers to how middleware functions are processed and how they interact with requests and responses in web applications. Middleware is a function that has access to the request object (req), the response object (res), and the next middleware function in the request-response cycle. These functions can perform various tasks, such as executing code, modifying the request and response, ending the request and response, or calling the next middleware function. Middleware handling allows developers to structure their applications in a modular way, facilitating code reuse and separation of concerns. Additionally, middleware can be used to implement features such as authentication, error handling, response compression, and activity logging, among others. The flexibility offered by middleware handling is essential for building scalable and maintainable applications, as it allows adding or modifying functionalities without altering the main logic of the application.
