var casper = require('casper').create();

var users = ["mikeyaworski", 'justinbieber', 'barackobama']; // array of twitter users
var j = 0;

casper.start();

console.log("\nTwitter:\n");

for (var i = 0; i < users.length; i++)
{
    casper.thenOpen("http://twitter.com/" + users[i], function() {
		
        var followers = this.evaluate(function() {
            //return document.querySelector('a.js-nav[data-nav="followers"] strong').innerText; // works too
            return $('a.js-nav[data-nav="followers"] strong').text();
        });
		
        var following = this.evaluate(function() {
            return $('a.js-nav[data-nav="following"] strong').text();
        });
		
        var tweets = this.evaluate(function() {
            return $('a.js-nav[data-nav="profile"] strong').text();
        });
		
        this.echo(users[++j-1] + ":\nFollowers: " + followers + "\nFollowing: " + following + "\nTweets: " + tweets + '\n');
    });
}

casper.run();

             Created: January 23, 2014
Completed in full by: Michael Yaworski