What is a Node.js and Express tutorial?

Can you explain what Node.js and Express are?

Node.js is a JavaScript runtime that allows you to run JavaScript on the server side. Express is a web framework for Node.js that simplifies building web applications.

How do I set up a basic Express server?

To set up a basic Express server, first install Express using npm. Then, create a file, require Express, and set up a simple route.

What are middleware functions in Express?

Middleware functions are functions that have access to the request and response objects. They can modify the request, end the response, or call the next middleware function.

Can you show me a simple example of routing in Express?

Sure! You can define routes using app.get(), app.post(), etc. For example: app.get('/home', (req, res) => { res.send('Welcome to Home!'); });