crawl

gistfile1.js

var request = require("request");
var fs = require("fs");
var cheerio = require('cheerio');

var url = '';

request(url, function (err, res, body) {
        if (err) {
            return console.log(err);
        }
        try {
            var $ = cheerio.load(body);
        }  catch (e) {
            callback(e);
        }
});