I would be very, very surprised to see React code that can take 300ms in the virtual DOM unless it's deliberately designed to do so. To be honest, I've built a

I would be very, very surprised to see React code that can take 300ms in the virtual DOM unless it's deliberately designed to do so. To be honest, I've built a whole lot of stuff in React and it's not even immediately clear to me how I would deliberately design an app to take 300ms in the virtual DOM.