D3 Examples - Rotating with only one parameter

xxxxxxxxxx
 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Expires" content="0" />
    <title>Rotating using only the angle parameter</title>
    <link type="text/css" href="rotation_using_group.css" rel="stylesheet" />
    <script src="https://d3js.org/d3.v3.min.js"></script>
</head>
<body>
<script src="rotation_using_group.js">
</script>
<div id="text_tip">
    Click on the background to rotate a line about a random point on its length.<br /><br />
    <strong>NB.</strong> Doesn’t work in Firefox !
</div>
</body>
</html>
​
    