xxxxxxxxxx
<html>
<head>
<meta charset="UTF-8">
<script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script>
<title>Sweets</title>
<style type="text/css">
.categoryLabel.on {
font-weight: bold;
}
</style>
</head>
<body>
<div class="container">
</div>
<script src="sweets2.js" charset="utf-8"></script>
</body>
</html>
https://d3js.org/d3.v3.min.js