xxxxxxxxxx<html><head><title>Simple Radar Chart</title><link rel="stylesheet" href="style.css"/><script src="https://cdn.jsdelivr.net/npm/d3@2.5.1/d3.js"></script><script src="radar.js"></script></head><body><h1>Simple Radar Chart</h1><div id="viz"></div><script>loadViz();</script></body></html> Modified http://mbostock.github.com/d3/d3.js?2.5.0 to a secure url
https://mbostock.github.com/d3/d3.js?2.5.0