This is new territory! You’ve never seen a component rendered by another component before.
You have seen a component rendered before, though, but not by another component. Instead, you’ve seen a component rendered by ReactDOM.render().
When a component renders another component, what happens is very similar to what happens when ReactDOM.render() renders a component.
1.You can see two files in the code editor: ProfilePage.js and NavBar.js.
In this lesson, you are going to make a <ProfilePage /> render a <NavBar />.
How do you do that? To start, simply make ProfilePage‘s render() method return a <NavBar /> instance.
In ProfilePage.js, place a <NavBar /> on line 9.