callback-example.js

var request = require('request');

function callback(){
    console.log('-------------------------------------------------------THIS ONE IS IN A CALLBACK');
}

function getJSON(callback) {
    request('http://localhost/cinema.json', function(error, response, body) {
        if(!error && response.statusCode == 200) {
            console.log(body);
            callback();
        }
    });
}

getJSON(callback);
console.log('-----------------------------------------------After Execution');