Tham chiếu phần tử đã cũ

import urllib

from selenium import webdriver
from selenium.common import exceptions

def inline(doc):
    return "data:text/html;charset=utf-8,{}".format(urllib.quote(doc))

session = webdriver.Firefox()
session.get(inline("<strong>foo</strong>"))
foo = session.find_element_by_css_selector("strong")

session.get(inline("<i>bar</i>"))
try:
    foo.tag_name
except exceptions.StaleElementReferenceException as e:
    print(e)

import urllib

from selenium import webdriver
from selenium.common import exceptions

def inline(doc):
    return "data:text/html;charset=utf-8,{}".format(urllib.quote(doc))

session = webdriver.Firefox()
session.get(inline("<button>foo</button>"))
button = session.find_element_by_css_selector("button")
session.execute_script("""
    let [button] = arguments;
    button.remove();
    """, script_args=(button,))

try:
    button.click()
except exceptions.StaleElementReferenceException as e:
    print(e)