<!doctype html>
<html>
<head>
<meta charset="utf8">
<title>Test</title>
</head>
<body>
<button id="switch-language" data-i18n="switch-button"></button>
<h1 data-i18n="salutation"></h1>
<p data-i18n="introduction"></p>
<script type="text/javascript" src="bundle.js"></script>
</body>
</html>