Answer
- Minimize DOM operations
- Use event delegation
- Apply lazy loading
- Debounce/throttle events
- Prevent memory leaks
- Split code into modules
Quick Answer
JS performance tips: minimize DOM reads/writes (batch them), use event delegation instead of per-element listeners, debounce/throttle event handlers, avoid memory leaks (clean up listeners and intervals), use Web Workers for CPU work, lazy-load modules and images, avoid blocking the main thread, and use requestAnimationFrame for animations.
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