Making up of the HTTPS requests

The goal in the previous section was not to understand how HTTP works, or what exactly the arguments, error, response, and body are the goal was to come up with a real-world example of a callback, as opposed to the contrived examples that we've been using so far with setTimeout:

const request = require('request');

request({
 url: 'https://maps.googleapis.com/maps/api/geocode/json?address=1301%20lombard%20street%20philadelphia',
 json: true
}, (error, response, body) => {
 console.log(JSON.stringify(body, undefined, 2));
});

In the preceding case, we had a real callback that got fired once the HTTP request came back from the Google servers. We were able to print the body, and we saw exactly what we had in the website. In this section, we'll dive into these arguments, so let's kick things off by taking a look at the body argument. This is the third argument that request passes to the callback.

Now the body is not something unique to the request module (body...