import { createContext } from 'react';
const NameContext = createContext('');
function App() {
return (
<NameContext.Provider value="John Doe">
<Body />
<NameContext.Provider>
);
}
function Body() {
return <Greeting />;
}
function Greeting() {
return (
<NameContext.Consumer>
{name => <h1>Welcome, {name}</h1>}
</NameContext.Consumer>
);
}