Q71.

What is SSR vs CSR?

Q72.

How to prevent memory leaks?

Q73.

Explain advanced async patterns.

Q74.

What is dynamic import()?

Q75.

Explain module federation.

Q76.

What is polyfill?

Q77.

Explain browser rendering pipeline.

Q78.

What is IntersectionObserver?

Q79.

Explain requestAnimationFrame.

Q80.

What is WebSocket?