selenium --- scroll bar in several ways

These types probably will, if there is more that I will not, emmmmmmmmmmm



Import webdriver the Selenium from 
from selenium.webdriver.common.keys Import Keys # mouse 
from selenium.webdriver.common.action_chains import ActionChains # keyboard 
Import Time 
Driver = webdriver.Chrome () 
driver.get ( "http://www.baidu. COM ") 
# 2.10.1 browser developed by the scroll bar elements of the display window visible 
'' ' 
driver.find_element_by_link_text (" news ") .click () 
E = driver.find_element_by_id (' Change-City ') 
JS =' arguments [ 0] .scrollIntoView (); ' 
driver.execute_script (JS, E)
 ' '' 
# 2.10.1 browser scroll bar is operated by a coordinate point in the form of 
'' ' 
driver.find_element_by_link_text ( "news") .click () 
Time. SLEEP (2) 
JS = 'the window.scrollTo (0,600)' 
Driver.
execute_script (JS) '' ' 
# JS execution of the second scroll bar
driver.find_element_by_link_text ( "news") .click () 
the time.sleep (2) 
JS = "1000 document.documentElement.scrollTop =" 
driver.execute_script (JS)
 '' ' 
# in the end portion of the rolling 
js = "window.scrollTo (0 , document.body.scrollHeight); " 
# driver.execute_script (JS)
 # SLEEP (10) 
# # scroll to the top 
JS =" the window.scrollTo (0, 0); " 
driver.execute_script (JS)
 '' '