What are the use cases for the Context API in React?

Question

Accepted Answer

The Context API in React allows for state management and sharing data across components without prop drilling.

Context API provides a way to pass data through the component tree without having to pass props down manually at every level.
It is useful for global state management, such as user authentication or theme settings.
Example: Creating a ThemeContext to manage light and dark themes across an application.
To use it, create a context with React.createContext(), then use Provider to wrap components that need access to the context.
Consumers can access context values using the useContext hook in functional components.

Accepted Answer

It is a technique which provides a way to pass data throughout the component tree without manually passing it down in every level.

Accepted Answer

The Context API is a feature in React.js that allows data to be passed down the component tree without having to pass props manually at every level.

Interview Questions from Popular Companies