Performance optimization Javascript Questions

Learn how to create a custom debounce function that supports leading-edge, trailing-edge, or both firing modes.

Build a high-performance resize handler using timestamp-based throttle and requestAnimationFrame to avoid layout thrashing.

Learn how memory leaks occur in single-page apps, how to diagnose them with Chrome DevTools, and how to fix common leak sources.

Implement efficient infinite scrolling using IntersectionObserver, batching, and virtualized rendering.

Process large datasets without freezing the UI using setTimeout, requestIdleCallback, or Web Workers.