Word Tree Error Example

google.visualization.WordTree chart require the root node to be with ID 0.

HTML

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
   <html>
  <head>
    <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
    <script type="text/javascript">
      google.charts.load('current', {packages:['wordtree']});
      google.charts.setOnLoadCallback(drawChart);

      function drawChart() {
        var nodeListData = new google.visualization.DataTable();
            nodeListData.addColumn('number', 'ID');
            nodeListData.addColumn('string', 'childLabel');
            nodeListData.addColumn('number', 'parent');
            nodeListData.addColumn('number', 'size');
            nodeListData.addColumn({ type: 'string', role: 'style' });
            //--- Critical row Uncomment to get working
						//nodeListData.addRow([ 0,'PH', -1, 6, 'black']);
            
            
            nodeListData.addRow([100000000, 'Electrical', 0, 5, 'black']);
            nodeListData.addRow( [101000000, 'Lighting', 100000000, 4, 'black']);
            nodeListData.addRow( [101010000, 'Lamps and Ballasts', 101000000, 3, 'black']);
            nodeListData.addRow( [101010100, 'Lamps', 101010000, 2, 'green']);
            nodeListData.addRow( [101010101, 'Halogen lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010102, 'Medical lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010103, 'Solar lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010104, 'Fluorescent lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010105, 'Stage or studio lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010106, 'Incandescent lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010107, 'Infrared lamps', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010108, 'Metal halide lamps HID', 101010100, 1, '#cba']);
            nodeListData.addRow( [101010109, 'Mercury vapor lamps HID', 101010100,...