Learning Node.js Development

Creating an app

In order to create an app, all we have to do is call the method. Next to the variable app we can start setting up all of our HTTP route handlers. For example, if someone visits the root of the website we're going to want to send something back. Maybe it's some JSON data, maybe it's an HTML page.

We can register a handler using app.get function. This will let us set up a handler for an HTTP get request. There are two arguments we have to pass into app.get:

• The first argument is going to be a URL
• The second argument is going to be the function to run; the function that tells Express what to send back to the person who made at the request

In our case we're looking for the root of the app. So we can just use forward slash ( ...