Should you debounce or throttle a scroll handler?
Throttle. The user needs continuous feedback while scrolling. Debounce would delay the update until scrolling stops, which feels laggy. Throttle at 100ms gives smooth feedback.
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More FAQs in Debounce vs Throttle: Real-World Use Cases
Search input (300ms, wait for typing to stop), auto-save (1000ms, wait for editing to stop), window resize (250ms, wait for resizing to stop), and form validation (500ms, wait for input to stop).
Scroll (100ms, update position at a controlled rate), mousemove (50ms, track cursor at a controlled rate), and button click (500ms, prevent rapid double-clicks).
Debounce. Wait for the user to stop typing, then make the API call. This avoids calling the API on every keystroke. 300ms is a good delay.
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