What are some common Express.js middleware?

What are some common middleware used in Express.js?

Some common middleware in Express.js include body-parser, cookie-parser, and morgan.

Can you explain what body-parser does?

Body-parser is middleware that parses incoming request bodies in a middleware before your handlers, available under the req.body property.

What about cookie-parser?

Cookie-parser is middleware that parses cookies attached to the client request object, making it easier to access cookie data.

Are there any middleware for handling errors?

Yes, you can use error-handling middleware like express-error-handler to manage errors in your Express applications.