Understanding the useContext Design
Learn about the data structure and workflow of the useContext hook, illustrating its effective management of component context dependencies.
We'll cover the following...
Overview of the useContext
hook
The useContext
hook in React is used to access the value of a React context directly within a functional component.
React provides a useContext
hook to consume a context:
import UserContext from './UserContext';const Title = () => {// Accessing user context using useContext hookconst user = useContext(UserContext);// Displaying the user's namereturn <div>{user.name}</div>;}
React component displaying the user's name using context
The useContext
hook function takes one input argument, context
, and returns the shared value. context
is normally imported from a definition file.
The useContext
hook's data structure
We'll explain how useContext
is designed with a ...