In short
A technique that delays running a function until a burst of calls has stopped for a set time — commonly used on search inputs to avoid firing on every keystroke. Debouncing is useful when intermediate events are not valuable and only the final state matters, such as waiting for a user to pause typing before searching.
How to learn this
- 1Implement a debounce function from scratch using `setTimeout`/`clearTimeout`. Validate your understanding by applying it in a small practical example.
- 2Apply it to a search input that calls an API as the user types. Validate your understanding by applying it in a small practical example.
- 3Compare the resulting behavior with and without debouncing side by side.
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