1. other method to create react app 2. diff between npm and npx 3. webpack configuration 4. how to share information between two domains. (cross browser sharing ?? ) 5. difference between let and const 6. shallow copy and deep copy of object 7. input type="email" is handled by html or js ? 8. img tag property to lazy load the images 8. position- static and sticky difference 9. layout to make square arrangement - grid right answer.
How many frontend application have you worked on?
What type of design patterns do you know? What are the benefits of them?
Give me a summary about your previous experience
Basic Javascript vanilla questions, asynch calls, why to use react
Event loop Hoisting JS related question to write the test cases.
What according to you constitutes a good company? Your tech stack?
Symbol in ES6. How you collaborate in your day to day work ? How is the feedback loop in your current organization
They show you some code and ask you to explain in which order are things going to be executed (event loop, micro task queue, macro task queue, etc.)
React exercise: they give you some react code and ask you to refactor it. It's not a difficult challenge, basically is a non-performant react component and all you need to is refactor it a little bit to add performance (useMemo and useCallback).
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