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Implement Middleware

Implement Middleware

Learn what middleware is, and practice how to use it.

In the previous lesson, we used a middleware function, express.static(), to serve static files to the client. We can use middleware functions for various tasks, such as logging, authentication, parsing data, and so on.

Middleware

Middleware functions are those that alter the request (req) and response (res) objects in the request-response cycle of an application.

New HTTP Request ...