old_contents: const express = require('express');
  const path = require('path');
  const bodyParser= require('body-parser')
  const github = require('octonode');
  
  const app = express();
  const client = github.client();
  
  app.set('view engine', 'jade')
  app.set('views', path.join(__dirname, 'templates'));
  app.use(express.static(path.join(__dirname, 'public')));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: true }));
  
  
  app.get('/', (req, res) => {
    res.render('index', { title: 'Check who are following you on git hub' });
  })
  
  app.post('/', (req, res) => {
    var username = req.body['username'];
    var ghuser = client.user(username);
  
    ghuser.followers({}, (err, data, headers) => {
      if (!data)
        res.render('index', {
          title: 'Check who are following you on Github',
          user: username
        });
      else {
        var users = [];
        data.forEach((user) => {
          users.push({
            login: user['login'],
            avatar_url: user['avatar_url'],
            url: user['url']
          });
        });
        res.render('index', {
          title: 'These guy following ' + username + '?',
          user: username,
          followers: users
        });
      }
    });
  });
  
  
  
  app.listen(3000)
  
new_contents: const express = require('express');
  const path = require('path');
  const bodyParser= require('body-parser')
  const github = require('octonode');
  
  const app = express();
  const client = github.client();
  
  app.set('view engine', 'jade')
  app.set('views', path.join(__dirname, 'templates'));
  app.use(express.static(path.join(__dirname, 'public')));
  app.use(bodyParser.json());
  app.use(bodyParser.urlencoded({ extended: true }));
  
  
  app.get('/', (req, res) => {
    res.render('index', { title: 'Check who are following you on git hub' });
  })
  
  app.post('/', (req, res) => {
    var username = req.body['username'];
    var ghuser = client.user(username);
  
    ghuser.followers({}, (err, data, headers) => {
      if (!data)
        res.render('index', {
          title: 'Check who are following you on Github',
          user: username
        });
      else {
        var users = [];
        data.forEach((user) => {
          users.push({
            login: user['login'],
            avatar_url: user['avatar_url'],
            url: user['url']
          });
        });
        res.render('index', {
          title: 'These guy following ' + username,
          user: username,
          followers: users
        });
      }
    });
  });
  
  
  
  app.listen(3000)
  
subject: remove ?.