Selenium Concept and practice!

How do I tell if an element exists in 1.selenium?

is the element in the 2.selenium hidden or display = None able to be located?

How to ensure the success rate of operating elements in 3.selenium? So how do I ensure that the element I clicked on must be clickable?

4. How can I improve the execution speed of selenium scripts?

5. Use cases in the running process often appear unstable situation, that is, this can pass, next time there is no way to pass, how to improve the stability of use cases?

6. What is the execution strategy for your automation use case?

7. What is continuous integration?

8. Do you need to connect to the database to verify the data when automating testing?

9.id,name,clas,x path, CSS selector these attributes, which one do you prefer, and why?

10. How do I locate dynamically loaded elements on a page?

11. How do I locate elements that are dynamically changing the properties?

12. After clicking on the link, will selenium automatically wait for the page to load?

What is the principle of 13.webdriver client?

What is the 14.webdriver protocol?

15. Which webdriver protocol is used to launch the browser?

16. What is Page object design mode?

17. What is page factory design mode?

18. How do I choose the option of value=xx in a dropdown box?

19. How to highlight elements after positioning elements (for debugging purposes)?

20. What is an assertion?

21. What language would you choose, Java,js,python or Ruby, if you are choosing the automated test scheme?

22.page Object Setting mode, is it necessary to add assertions to the method that is positioned in the page?

23.page Object design mode, how to implement the page jump?

24. Where does the automated test case come from?

25. What do you think is the biggest flaw in automated testing?

26. What is a layered test?

27.webdriver can be used to do interface testing?

Selenium Concept and practice!