qq1

let phantomPrebuilt = require('phantomjs-prebuilt')
let driver = require('promise-phantom')

driver.create({
  path: phantomPrebuilt.path
})
.then(phantom =>
  phantom.createPage()
  .then(page => page)
)
.then(page => {
  let url = 'https://vk.com/login'
  // создаем объект настроек
  let settings = {
    loadImages: true,
    javascriptEnabled: true,
    userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'
  }
  // передаем через .set
  return page.set('settings', settings)
    .then(() => page.open(url))
    .then(() => page.render('1.png'))
    .then(() => page.evaluate(function (a) {
      d = document
      d.getElementById('email').value = ''
      d.getElementById('pass').value = ''
      d.getElementById('login_button').click()
    }))
    .then(() => page.render('2.png'))
    .then(() => setTimeout(() => page.render('3.png'), 5000))
})
.catch((error) => console.log(error))