1. useLayoutEffect <img width="817" alt="image" src="https://github.com/reactjs/react.dev/assets/40269597/0c951af3-4578-4e90-84f2-c2d0f082244a"> 2. state-a-components-memory <img width="159" alt="image" src="https://github.com/reactjs/react.dev/assets/40269597/43a36429-9dba-4796-90aa-2f2cccfe5c8c">
