browserstack_with_proxy.js

var webdriver = require('selenium-webdriver');
var http = require('http');
var globalTunnel = require('global-tunnel');
 
globalTunnel.initialize({
  host: 'localhost', // set proxy ip or hostname
  port: 9091, // set proxy port
  sockets: 50 // optional pool size for each http and https
});

// Input capabilities
var capabilities = {
  'browserName' : 'firefox', 
  'browserstack.user' : '<username>',
  'browserstack.key' : '<userkey>'
}

var driver = new webdriver.Builder().
  usingServer('http://hub.browserstack.com/wd/hub').
  withCapabilities(capabilities).
  build();

driver.get('http://www.google.com/ncr');
driver.findElement(webdriver.By.name('q')).sendKeys('BrowserStack');
driver.findElement(webdriver.By.name('btnG')).click();

driver.getTitle().then(function(title) {
  console.log(title);
});

driver.quit();

console.log("Going to quit the script: " + code.toString());
globalTunnel.end();