import { useState, createContext, useContext } from "react";
import ReactDOM from "react-dom/client";
const UserContext = createContext();
function Component1() {
const [user, setUser] = useState("Jesse Hall");
return (
<UserContext.Provider value={user}>
<h1>{`Hello ${user}!`}</h1>
<Component2 user={user} />
</UserContext.Provider>
);
}
function Component2() {
return (
<>
<h1>Component 2</h1>
<Component3 />
</>
);
}
function Component3() {
return (
<>
<h1>Component 3</h1>
<Component4 />
</>
);
}
function Component4() {
return (
<>
<h1>Component 4</h1>
<Component5 />
</>
);
}
function Component5() {
const user = useContext(UserContext);
return (
<>
<h1>Component 5</h1>
<h2>{`Hello ${user} again!`}</h2>
</>
);
}
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<Component1 />);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport"
content="width=device-width, initial-scale=1" />
<title>React App</title>
</head>
<body>
<div id="root"></div>
</body>
</html>