xxxxxxxxxx
<html>
<head>
<meta charset="UTF-8">
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<title>Sweets</title>
</head>
<body>
<div class="container"></div>
<script src="sweets.js" charset="utf-8"></script>
</body>
</html>
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js