http://axe.g0v.tw/level/1 crawer result test in http://jsonlint.com/

axe1.js

var http = require("http");
var cheerio = require("cheerio");

/**
 * Utility function that downloads a URL and invokes
 * callback with the data.
 */
function download(url, callback) {
  http.get(url, function(res) {
    var data = "";
    res.on('data', function (chunk) {
      data += chunk;
    });
    res.on("end", function() {
      callback(data);
    });
  }).on("error", function() {
    callback(null);
  });
}


// DO THE JOB
var url = "http://axe-level-1.herokuapp.com/";

var resultJson = [];
var column_title = [];

download(url, function(data) {
  if (data) {
    // console.log(data);
    var $ = cheerio.load(data);
    $("tr").each(function(i, e) {
      if(i === 0) {
      	var columns0 = $(e).find("td");
      	columns0.each(function(j, e) {
      	  var order = j+1;
      	  if(order > 1) {
      		column_title.push($(e).text());
      	  }
      	});
      	console.log(column_title);
      } else {
      	var columns = $(e).find("td");
      	// column holder
      	var person = {name: "", grades: {}};
      	columns.each(function(j, e) {  		  
  		  if (j === 0) {
  		  	person.name = $(e).text();
  		  } else {
  		  	person.grades[column_title[j-1]] = parseInt($(e).text());
  		  }
      	});
      	resultJson.push(person);
      }
    });
    console.log(JSON.stringify(resultJson));
  }
});