A React 19 demo showing useDeferredValue for handling expensive renders without blocking the UI.
- Image filter controls (blur, brightness, contrast, saturate, sepia)
- Simulated expensive render (100ms delay) to demonstrate concurrent features
- Uses
useDeferredValueto defer updates to expensive components
npm install
npm run devThe DisplayImage component simulates an expensive render. Without concurrent features, moving sliders would freeze the UI. With useDeferredValue, React prioritizes slider responsiveness and defers the image re-renders.