make your browsers test for you article source code

01_webdriver_js_wrapper_src.js

driver.findElement(webdriver.By.name('whoami'))
  .sendKeys('FrankfurtJS!');

driver.findElement(webdriver.By.id('greet'))
  .click();

driver.findElement(webdriver.By.id('message'))
  .getText()
  .then(function(val) {
    assert.equal(val, 'FrankfurtJS!', 'Messages should be the same');
  });

02_webdriverjs_src.js

client
  .addValue('[name="whoami"]', 'FrankfurtJS!')
  .buttonClick('#greet')
  .getText('#message', function(err, text) {
    assert.equal(text, 'FrankfurtJS!', 'Messages should be the same');
  });

03_dalekjs_src.js

test
	.type('[name="whoami"]', 'FrankfurtJS!')
	.click('#greet')
	.assert.text('#message').is('FrankfurtJS!');

04_protractor_src.js

browser.ignoreSynchronization = true; // to work outside of AngularJS
element(by.name('whoami')).sendKeys('FrankfurtJS!');
element(by.id('greet')).click();
element(by.id('message')).getText().then(function(val) {
	assert.equal(val, 'FrankfurtJS!');
});

04_webdriver-manager.sh

webdriver-manager update
webdriver-manager start