In web development and testing, Playwright has emerged as a powerful tool for automating browsers and conducting robust, reliable tests. Unlike traditional tools like Selenium, Playwright provides multi-browser support, automatic waiting, and modern web features out of the box, making it easier to test applications across different environments. This article gives you comprehensive list of Playwright interview questions and detailed answers to help you prepare effectively.

Playwright Interview Questions with Detailed Answers

1. What is Playwright?
2. How does Playwright differ from Selenium?
3. What are the key features of Playwright?
4. Can you explain the architecture of Playwright?
5. How do you install Playwright?
6. What types of tests can you perform using Playwright?
7. How does Playwright handle asynchronous operations?
8. Can you describe how to handle dynamic content in Playwright?
9. What are some common assertions used in Playwright?
10. How do you handle file uploads in Playwright?
11. Can you explain how to perform mobile testing using Playwright?
12. What are some common exceptions encountered while using Playwright?
13. How do you implement parallel testing in Playwright?
14. Can you explain how network interception works in Playwright?
15. How do you capture screenshots during tests in Playwright?
16. What strategies do you use for handling iframes in Playwright?
17. How do you set up test fixtures in Playwright?
18. Can you describe how to manage dependencies between tests using Playwright?
19. How do you perform data-driven testing using Playwright?
20. What are some best practices when writing tests in Playwright?
21. How can you run tests in headless and headed modes in Playwright?
22. Explain how Playwright handles browser contexts and why they are useful.
23. How do you handle authentication in Playwright for repeated tests?
24. Can you explain how to handle multi-tab or pop-up window interactions in Playwright?
25. How can you simulate geolocation or timezone settings in Playwright?
26. What is the purpose of the expect library in Playwright, and how does it work?
27. Can you describe how to handle API requests within Playwright tests?
28. How do you handle page load performance testing in Playwright?
29. What is auto-waiting in Playwright, and how does it affect test stability?
30. How can you execute JavaScript within the browser using Playwright?
31. Can you describe how to handle keyboard and mouse events in Playwright?
32. How do you deal with browser logs and error messages in Playwright?
33. What strategies can you use for debugging tests in Playwright?
34. Can you explain how to mock geolocation in Playwright?
35. How can you test for web accessibility with Playwright?
36. What are trace files in Playwright, and how can you use them?
37. How do you simulate network speed or offline mode in Playwright?
38. Can you describe how to handle browser storage in Playwright?
39. How do you integrate Playwright with CI/CD pipelines?

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