Answer
- Minimize reflows and repaints
- Use document fragments
- Batch DOM updates
- Cache selectors
- Avoid layout thrashing
Quick Answer
DOM performance tips: batch reads before writes (avoid interleaved read/write causing layout thrashing), use DocumentFragment for bulk DOM insertions, minimize reflows (changing layout properties), use classList instead of style, virtual DOM libraries batch updates, use requestAnimationFrame for visual changes, and debounce scroll/resize handlers.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ