ｊさぽ - 経済統計練習帳

google.load("visualization", "1", {packages:["corechart"]});
      google.setOnLoadCallback(drawChart);
      function drawChart() {
 
sample();
 
        var data = google.visualization.arrayToDataTable(x);
        var options = {
          title: 'Company Performance'
        };
 
        var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
        chart.draw(data, options);
      }
 
var x=new Array(4);
 
function sample(){
 
for(s=0;s<4;s++){
x[s]=new Array();
}
 
x[0][0]="year";
x[0][1]="sale";
x[0][2]="exp";
 
x[1][0]="2001";
x[1][1]=200;
x[1][2]=100;
 
x[2][0]="2002";
x[2][1]=400;
x[2][2]=200;
 
x[3][0]="2002";
x[3][1]=300;
x[3][2]=500;
 
}
 
<html>
  <head>
    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
  <script src="sample.js"></script>
 
<script src="line.js"></script>
  </head>
  <body>
    <div id="chart_div" style="width: 900px; height: 500px;"></div>
  </body>
</html>