Node.js script to get GHash.io hash %

ghash.js

var request = require('request');
var htmlparser = require('htmlparser');
var $ = require('soupselect').select;

request('https://ghash.io/', function(err, res, body) {
    if (err || res.statusCode != 200) {
        return console.log('Error.');
    }
    var handler = new htmlparser.DefaultHandler(function(err, dom) {
        if (err) {
            throw err;
        } else {
            var ghashio = Number($(dom, 'div.speed')[0].children[0].data.replace(' Ph/s', '')) * 1000000000000000; // hashes per sec.
            request('https://blockchain.info/q/hashrate', function(err2, res2, body2) {
                if (err2 || res.statusCode != 200) return console.log('Error.');
                var total = Number(body2) *  1000000000;
                console.log('It is estimated (from scraping their site) GHash.io control ' + ((ghashio / total) * 100).toFixed(2) + '% of the Bitcoin network.');
            });
        }
    });
    var parser = new htmlparser.Parser(handler);
    parser.parseComplete(body);
});