execute_script()メソッド

from selenium import webdriver

browser = webdriver.PhantomJS()
browser.implicitly_wait(3)

browser.get("https://google.com")

r = browser.execute_script("return 100 + 50")
print(r)

[vagrant@localhost python]$ python3 app.py
/home/vagrant/.pyenv/versions/3.5.2/lib/python3.5/site-packages/selenium/webdriver/phantomjs/webdriver.py:49: UserWarning: Selenium support for PhantomJS has been deprecated, please use headless versions of Chrome or Firefox instead
warnings.warn(‘Selenium support for PhantomJS has been deprecated, please use headless ‘
150

r = browser.execute_script("var date = new Date(), console.log(date)")