AI-powered React developer mock interviews

Explain the concept of CSS specificity and how it affects the styling of elements on a webpage.

Describe the difference between inline, block, and inline-block display properties in CSS and provide examples of when each would be most appropriate to use.

Explain the concept of closures in JavaScript and provide an example of how you have utilized closures in your previous projects.

Discuss the differences between 'let', 'const', and 'var' in JavaScript in terms of scope, hoisting, and reassignment. Provide a scenario where you would choose one over the other.

How would you optimize the performance of a React application that is experiencing slow rendering times due to a large number of components and complex state management?

Can you explain the concept of React Fiber and how it improves the rendering performance of React applications?

How would you handle complex state logic and side effects in a large-scale React application without introducing unnecessary re-renders or performance bottlenecks?

Can you explain the differences between using Context API and Redux for state management in React applications? When would you choose one over the other?

Describe a situation where you had to communicate a complex idea to a non-technical stakeholder. How did you ensure effective communication and understanding? What strategies did you use to overcome any potential misunderstandings?

Can you provide an example of a time when you had to navigate a challenging team dynamic to successfully deliver a project? How did you approach the situation and what was the outcome?