控制浏览器滚动条不成功的解决方法

#coding=utf-8from selenium import webdriverimport timedr = webdriver.Chrome()dr.get("http://www.baidu.com")dr.find_element_by_id("kw").send_keys("selenium")dr.find_element_by_id("su").click()time.sleep(3)'''下列方法亲测不成功js = "var q=document.documentElement.scrollTop=10000"dr.execute_script(js)time.sleep(3)js = "var q=document.documentElement.scrollTop=0"dr.execute_script(js)time.sleep(3)'''#下列方法可实现滚动条滚动效果dr.execute_script("window.scrollBy(0,2000)")time.sleep(3)dr.execute_script("window.scrollBy(0,-2000)")time.sleep(3)dr.quit()