wh

laySoTrang

var linkdt = "http://www.lazada.vn/dien-thoai-di-dong/?itemperpage=120&sort=popularity&viewType=listView&fs=1";

var a = laySotrang(linkdt);
console.log(a);

// Get pager
function laySotrang(urlTrang){
  var kq;
new Promise(function (resolve, reject) {
    request(urlTrang, function (error, res, body) {
        if (error) {
            return reject(error);
        } else {
            var $ = cheerio.load(body);
            var ks = $('.c-paging__link').last().text();
            kq = parseInt(ks);
            //console.log(kq);
            return resolve(kq);
        }
    });

}).catch(function (err) {
    console.log("Co loi xay ra: ", err);
});
}