本课内容目前为英文。
Data the whole app needs
The signed-in user, the theme, the language: some data is needed all over the tree. And some state changes in so many ways that one setter is not enough. Context and reducers handle both.
本课内容目前为英文。
The signed-in user, the theme, the language: some data is needed all over the tree. And some state changes in so many ways that one setter is not enough. Context and reducers handle both.