Этот урок пока на английском.
Values React does not watch
Sometimes a component must remember something that should not cause a render, like a timer id, or reach a real DOM node to focus it. That is what refs are for.
Этот урок пока на английском.
Sometimes a component must remember something that should not cause a render, like a timer id, or reach a real DOM node to focus it. That is what refs are for.