Description: Middleware types in web development refer to the different categories of functions that can be implemented to handle requests and responses in a web application. These intermediary functions allow for the manipulation of requests before they reach specific routes and the modification of responses before they are sent to the client. There are mainly three types of middleware: application-level, router-level, and error handling. Application-level middleware applies to all routes of the application and is used for tasks such as authentication, request logging, and setting global parameters. Router-level middleware applies only to specific routes, allowing for more granular control over data flow. Finally, error handling middleware is responsible for capturing and managing errors that may arise during request processing, ensuring that the application can respond appropriately without crashing. These types of middleware are fundamental to the architecture of applications, as they facilitate modularity and code reuse, allowing developers to build more robust and maintainable applications.
