Request + cheerio + corotines

es6-scraper

var request = require('request');
var cheerio = require('cheerio');
var co = require('co');

function parse(url) {
    // Make promise from calback
    return new Promise((resolve, reject) => {
        request({url}, function(error, response, body) {
            if(error) return reject(error);

            let $ = cheerio.load(body);
            
            // Make cheerio iterable
            $.fn[Symbol.iterator] = function* () {
                let keys = Object.keys(this).filter((key) => Number.isInteger(+key));
                for (let key in keys) {
                    yield this[key];
                }
            };

            resolve($);
        });
    });
}

// Example
co(function* () {
   let page = yield parse('http://www.bing.com/search?q=generator');
   for(let link of page('#b_results > .b_algo > h2 > a')) console.log(page(link).attr('href'));
});