<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
</head>

<body>
    <h1>Hello world?</h1>
    <script src="bundle.js"></script>
</body>

</html>
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
</head>

<body>
    <h1>Hello world!</h1>
    <script src="bundle.js"></script>
</body>

</html>
Revert change so that JSDOM example test passes.
Revert change so that JSDOM example test passes.
