Uncaught ReferenceError: google is not defined
load.js
google.load("visualization", "1", {packages:["corechart"]});
スクリプトを読む順番がおかしかった。
修正前
<head> <link rel="stylesheet" href="style.css" type="text/css"/> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/common.js"></script> <script type="text/javascript" src="js/pop.js"></script> <script type="text/javascript" src="js/load.js"></script> <script type="text/javascript" src="js/onload.js"></script> <script type="text/javascript" src="https://www.google.com/jsapi"></script> </head>
修正後
<head> <link rel="stylesheet" href="style.css" type="text/css"/> <script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/common.js"></script> <script type="text/javascript" src="js/pop.js"></script> <script type="text/javascript" src="js/load.js"></script> <script type="text/javascript" src="js/onload.js"></script> </head>