What are the benefits of using middleware in Express.js?

What are the benefits of using middleware in Express.js?

Middleware in Express.js allows you to handle requests and responses efficiently. It can be used for logging, authentication, error handling, and more.

Can you give me an example of middleware in action?

Sure! For instance, you can create a logging middleware that logs every request to the console before passing it to the next handler.

How does middleware improve code organization?

Middleware helps separate concerns by allowing you to modularize your code. Each middleware function can handle a specific task, making your code cleaner and easier to maintain.

Are there any performance implications of using middleware?

Yes, while middleware adds flexibility, excessive or poorly designed middleware can slow down your application. It's important to use it judiciously.