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React
React interview questions covering components, hooks, state management, and performance optimization
5 Total Questions
1 Easy
4 Medium
0 Hard
Q1Easy
What is the difference between functional and class components?
componentsfunctionalclass
Q2Medium
What are React hooks? Explain useState and useEffect.
hooksuseStateuseEffect
Q3Medium
What is the virtual DOM and how does it work?
virtual-domdiffingreconciliation
Q4Medium
Explain React component lifecycle methods.
lifecyclecomponentDidMountuseEffect
Q5Medium
What is prop drilling and how to avoid it?
prop-drillingcontextstate-management