Normally, HTML provides traditional sliders with linear shape such as the Input Range Object. This example shows how to create a round slider using D3.js.
forked from fabiovalse's block: Round slider
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<html lang="en">
<head>
<meta charset="utf-8">
<title>D3.js Round Slider</title>
<link rel="stylesheet" href="index.css">
<script src="https://d3js.org/d3.v5.min.js"></script>
</head>
<body>
<script src="index.js"></script>
</body>
</html>
Modified http://d3js.org/d3.v5.min.js to a secure url
https://d3js.org/d3.v5.min.js