What Is an Area Update?
Learn about React's single update pattern for handling user actions and explores two approaches to share state between distant components.
User actions and area updates
On a typical website, once the site is loaded, it starts listening to all user actions. Each action received gets handled on a first-come, first-served basis. Normally, the impact of each action is limited to one small region of the screen, using a UI term, a single component. However, sometimes, a user action can do more than that.
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