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You’ve learned how to write JSX elements! Now it’s time to learn how to render them.

To render a JSX expression means to make it appear onscreen.



The following code will render a JSX expression:

ReactDOM.render(<h1>Hello world</h1>, document.getElementById('app'));

Starting on line 5, carefully copy the code into the code editor. We’ll go over how it works in the next exercise.

JavaScript is case-sensitive, so make sure to capitalize ReactDOM correctly!

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