JS modification element attribute flipping commonly used in selenium's Web Automation

selenium Can be used in driver.execute_script(script,*args) To execute script Code

One Get elements readonly Property value , And modified to false

#  Use selenium To locate elements 
target = driver.find_element_by_id("id")

#  Write a script : obtain target Elemental readonly The value of the property , And modified to false
# arguments[index] Used for occupying , Will be  *args Parameters in replace 
script = 'arguments[0].readonly;arguments[0].readonly'

#  Put the variable script and target Pass in execute_script()
driver.execute_script(script,target)

Two Scroll screen

1 Scroll the target element to the visible area

# script  Provides scrollIntoView() Scroll the target element to the visible area 
#scrollIntoView() You can pass in a Boolean parameter . The default is true, Represents scrolling the target element to the top of the visible area ; Pass in false, The target element will be scrolled to the bottom of the region 
# 1 Locate the target element 
target = driver.find_element_by_id("id")

#  Write a script 
script = 'arguments[0].scrollIntoView()'

#  perform 
driver.execute_script(script,target)

2 Scroll the bottom of the page to the area . The usage scenario is : Page not paged , You need to scroll to a certain position before automatically refreshing to get new content

#  Scroll the page to the bottom 
driver.execute_script('window.scrollTo(0,document.body.scrollHeight)')

#  Scroll the page to the top 
driver.execute_script('window.scrollTo(document.body.scrollHeight,0)')