Click on links that are dynamically loaded using python selenium when scrolling down till the end of a webpage when there is no "more" button

Question

Consider this I am clicking on the links(that open up problems) using link_text. My aim is to access the problems via these links. However, another set of links load dynamically(without clicking any button) as a part of the webpage after we reach the end of it. I want to click on a link that is not visible in the browser initially, but is visible only after loading the contents of the webpage after scrolling to the end. I also want to access links that may appear after reaching the end of the page 5-6 times.

driver.get("https://www.hackerrank.com/domains/algorithms")
    for i in range(20):
        body.send_keys(Keys.PAGE_DOWN)
        time.sleep(2)

or

driver.get("https://www.hackerrank.com/domains/algorithms")
for i in range(10):
    driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
    time.sleep(3)

Problem: Clearly this isn't very efficient and at the same time doesn't load all the links.

Desired Behaviour: Should load all these links at once(make it a static webpage with all links visible at once) so that a desired link is always visible and hence can be clicked.

Answer 1

To collect all the dynamically loaded links scrolling till the end you have to scrollDown and wait for the new elements to render within the DOM Tree and you can use the following solution:

• Code Block:

   from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.common.by import By from selenium.webdriver.support import expected_conditions as EC options = webdriver.ChromeOptions() options.add_argument("start-maximized") options.add_experimental_option("excludeSwitches", ["enable-automation"]) options.add_experimental_option('useAutomationExtension', False) driver = webdriver.Chrome(options=options, executable_path=r'C:\\WebDrivers\\chromedriver.exe') driver.get('https://www.hackerrank.com/domains/algorithms') myLength = len(WebDriverWait(driver, 10).until(EC.visibility_of_all_elements_located((By.CSS_SELECTOR, "h4.challengecard-title")))) while True: driver.execute_script("window.scrollTo(0, document.body.scrollHeight);") try: WebDriverWait(driver, 20).until(lambda driver: len(driver.find_elements_by_css_selector("h4.challengecard-title")) > myLength) my_titles = driver.find_elements_by_css_selector("h4.challengecard-title") myLength = len(my_titles) except TimeoutException: break for title in my_titles: print(title.text) driver.quit()

• Console Output:

   Solve Me First EasyMax Score: 1Success Rate: 98.43% Simple Array Sum EasyMax Score: 10Success Rate: 93.99% Compare the Triplets EasyMax Score: 10Success Rate: 94.34% A Very Big Sum EasyMax Score: 10Success Rate: 98.63% Diagonal Difference EasyMax Score: 10Success Rate: 95.71% Plus Minus EasyMax Score: 10Success Rate: 98.17% Staircase EasyMax Score: 10Success Rate: 98.06% Mini-Max Sum EasyMax Score: 10Success Rate: 93.11% Birthday Cake Candles EasyMax Score: 10Success Rate: 96.28% Time Conversion EasyMax Score: 15Success Rate: 90.21% Grading Students EasyMax Score: 10Success Rate: 96.59% Apple and Orange EasyMax Score: 10Success Rate: 95.52% Kangaroo EasyMax Score: 10Success Rate: 88.35% Between Two Sets EasyMax Score: 10Success Rate: 88.56% Breaking the Records EasyMax Score: 10Success Rate: 98.28% Birthday Chocolate EasyMax Score: 10Success Rate: 93.30% Divisible Sum Pairs EasyMax Score: 10Success Rate: 97.58% Migratory Birds EasyMax Score: 10Success Rate: 90.55% Day of the Programmer EasyMax Score: 15Success Rate: 88.31% Bon Appétit EasyMax Score: 10Success Rate: 97.74% Sock Merchant EasyMax Score: 10Success Rate: 91.38% Drawing Book EasyMax Score: 10Success Rate: 89.27% Counting Valleys EasyMax Score: 15Success Rate: 94.11% Electronics Shop EasyMax Score: 15Success Rate: 90.88% Cats and a Mouse EasyMax Score: 15Success Rate: 97.60% Forming a Magic Square MediumMax Score: 20Success Rate: 73.26% Picking Numbers EasyMax Score: 20Success Rate: 88.78% Climbing the Leaderboard MediumMax Score: 20Success Rate: 55.01% The Hurdle Race EasyMax Score: 15Success Rate: 98.62% Designer PDF Viewer EasyMax Score: 20Success Rate: 98.32% Utopian Tree EasyMax Score: 20Success Rate: 97.33% Angry Professor EasyMax Score: 20Success Rate: 95.52% Beautiful Days at the Movies EasyMax Score: 15Success Rate: 95.79% Viral Advertising EasyMax Score: 15Success Rate: 98.52% Save the Prisoner! 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