HTML Semantics: The Interview Answer
Why semantic HTML matters, how it affects accessibility/SEO, and how to choose the right elements.
Discover the latest in frontend development with our comprehensive guides, tutorials, and industry insights.
Why semantic HTML matters, how it affects accessibility/SEO, and how to choose the right elements.
Practical performance levers: memoization, splitting, virtualization, and avoiding unnecessary renders.
How to build and name custom hooks, and what makes them testable and reusable.
Context basics, performance implications, and alternatives like composition.
How to think about form inputs, refs, and when each approach makes sense.
How React batches state updates and what it means for setState and derived state.
Performance hooks explained with practical rules of thumb and interview-ready examples.
When effects run, how dependency arrays work, and how to avoid stale closures.
How keys help React preserve identity and avoid subtle UI bugs.