useDebounce hook

A React hook that debounces a rapidly-changing value.

TypeScript10 linesUpdated Jul 17, 2026

TypeScript

import { useEffect, useState } from "react";

export function useDebounce<T>(value: T, delayMs = 300): T {
  const [debounced, setDebounced] = useState(value);
  useEffect(() => {
    const id = setTimeout(() => setDebounced(value), delayMs);
    return () => clearTimeout(id);
  }, [value, delayMs]);
  return debounced;
}