<html> <head> <title>Chart.jsバブルチャートテスト</title> <meta name="description" content="Chart.js"> <meta name="keywords" content="Chart.js"> <meta http-equiv="Pragma" content="no-cache"> <meta http-equiv="Cache-Control" content="no-cache"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <script type="text/javascript"