What is the structure of an Express API?

What is the structure of an Express API?

An Express API typically consists of routes, middleware, and controllers. Routes define the endpoints, middleware handles requests, and controllers contain the logic.

Can you explain what middleware is in this context?

Middleware in Express is a function that has access to the request, response, and next middleware function. It can modify the request and response objects, end the request-response cycle, or call the next middleware.

How do I set up a basic route in Express?

To set up a basic route, you can use app.get('/path', (req, res) => { res.send('Hello World!'); }); in your Express app.

What are some common middleware used in Express?

Common middleware includes body-parser for parsing request bodies, cors for enabling CORS, and morgan for logging requests.