Your upvoting feature works great. But for those who disagree, you'll need to build a downvote button.

<html>
<body>
<h1>Bear of the Year</h1>
<img src="https://mimo.app/i/panda.png">
<p><em>Nom nom nom</em></p>
<p id="votes">3 votes</p>
<button id="upvote" onclick="upvote()">Upvote</button>
<script src="script.js"></script>
</body>
</html>]]>