selenium执行JavaScript语句：控制滚动条聚焦元素改变下拉选项

执行js脚本 控制滚动条

# http://www.cnblogs.com/yoyoketang/p/6128655.html

In [347]: js = "window.scrollTo(document.body.scrollWidth,document.body.scrollHeight)"  #/2中间

In [348]: driver.execute_script(js)

driver.execute_script("window.scrollTo(0,0)")

通过聚焦focus

In [383]: target=driver.find_element_by_link_text(u'帮助')  #底部按钮

In [384]: driver.execute_script("arguments[0].scrollIntoView();", target)

#coding:utf-8

from selenium import webdriver

def main():

    driver = webdriver.Firefox()

    # 改变网页显示文字

    # 网页源代码：

    # <html>

    # <body>

        # <div id="result"></div>

        # <script>document.getElementById("result").innerText = 'Hello World';</script>

    # </body>

    # </html>

    # driver.get('http://example.webscraping.com/places/default/dynamic')

    # what = raw_input('what:')

    # driver.execute_script("document.getElementById('result').innerText = '%s'"%what)

    # input(":")

    driver.get('http://example.webscraping.com/places/default/search')

    driver.find_element_by_id('search_term').send_keys('.')

    # 将下拉第二个选项改为1000

    driver.execute_script("document.getElementById('page_size').options[1].text = '1000'")

    driver.find_element_by_id('search').click()

    driver.implicitly_wait(30)

    links = driver.find_elements_by_css_selector('#results a')

    countries = [link.text for link in links]

    # driver.close()

    print countries

    print len(countries)

if __name__ == '__main__':

    main()

巴特西

selenium执行JavaScript语句：控制滚动条聚焦元素改变下拉选项

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巴特西

selenium执行JavaScript语句：控制滚动条 聚焦元素 改变下拉选项

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selenium执行JavaScript语句：控制滚动条聚焦元素改变下拉选项