import time,json
from selenium import webdriver
from selenium.webdriver.firefox.options import Options
o=Options(); o.set_preference('dom.webdriver.enabled',False)
d=webdriver.Firefox(options=o)
try:
    d.get('http://127.0.0.1:9999/geetest_page.html'); time.sleep(7)
    ev=d.execute_script('return window.__evlog')
    print('count',len(ev))
    for e in ev[:80]: print(e)
finally: d.quit()