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Editorial Team
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Asked: 2026-05-16T10:31:37+00:00

Consider the two implementations below, data.addRows([ [‘2004’, 1000], [‘2005’, 1170], [‘2006’, 660], [‘2007’, 1030]

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Consider the two implementations below,

data.addRows([
  ['2004', 1000],
  ['2005', 1170],
  ['2006', 660],
  ['2007', 1030]
]);

The above works (ie) it gets me what i want.

and my implementation is,

 for (var i = 0; i < 10; i++) {
        data.addRows['row'+i,i];
    }

Is this a valid for loop or what am i doing wrong?

I am using google visualization api for drawing charts but the answers below doesn’t work out,

http://jsbin.com/okafa3/edit which is a copy of http://code.google.com/apis/visualization/documentation/gallery/areachart.html

<html>
  <head>
    <script type="text/javascript" src="http://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load("visualization", "1", {packages:["corechart"]});
      google.setOnLoadCallback(drawChart);
      function drawChart() {
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Year');
        data.addColumn('number', 'Sales');


       for (var i = 0; i < 10; i++) {
        data.addRows(['row'+i,i]);
    }

          var chart = new google.visualization.AreaChart(document.getElementById('chart_div'));
        chart.draw(data, {width: 400, height: 240, title: 'Company Performance',
                          hAxis: {title: 'Year', titleTextStyle: {color: '#FF0000'}}
                         });
      }
    </script>
  </head>
  <body>
    <div id="chart_div"></div>
  </body>
</html>​
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1 Answer

  1. Editorial Team

    The exact equivalent code would be

    var rows = [];
for (var i=0; i<10; i++) {
   rows.push(['row'+i, i]);
}
data.addRows(rows);

    What helios had suggested would also work except it is not exact representation of earlier code as it would make more than one call to data.addRows.

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