index.html ����+V Ƚ�+V <!DOCTYPE html> <meta charset="utf-8"> <link rel="stylesheet" href="http://yui.yahooapis.com/pure/0.5.0/pure-min.css"> <link rel="stylesheet" href="https://rawgit.com/tpreusse/radar-chart-d3/master/src/radar-chart.css"> <style> body { padding: 20px; } </style> <style> .radar-chart .area { fill-opacity: 0.7; } .radar-chart.focus .area { fill-opacity: 0.3; } .radar-chart.focus