Web / ReactJS Interview questions
What is context in React?
React's context allows you to share information to any component, by storing it in a central place and allowing access to any component that requests it (usually you are only able to pass data from parent to child via props).
Context provides a way to pass data through the component tree without having to pass props down manually at every level.
For example, authenticated user, locale preference, UI theme need to be accessed in the application by many components.
const {Provider, Consumer} = React.createContext(defaultValue)
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