[visualization-api] ERROR: Object # has no method 'each'

[ni man]

Hello,

the Object #<NodeList> has no method 'each'   error comes when i click any 
region.
this happens only on chrome and safari but not at all on firefox.. it works 
perfectly fine on firefox, the world region can be drilled down to 
countries and then US can be further drill down to regions without any 
error.
on chrome the first world map loads wothout error but the further clicks 
gives this error but still drills down to country level.. when clicked on 
states it does show the state level but doesnt show the data points that 
appears on firefox (e.g: the Dallas and richardson in US-TX)

following is my code:

the data is passed in variable $globalData form the php controller file : 
 
{"world":[["US",10]],"US":[["US-AR",1],["US-TX",4]],"US-AR":[["Edmonton",1]],"US-TX":[["Dallas",1],["irving",1],["Richardson",2]]}

   google.load('visualization', '1', {'packages': ['geochart']});
    google.setOnLoadCallback(drawMap);   
   
    function drawMap() { 
    
      var globalData = eval('(' + '{/literal}{$globalData}{literal}' + ')');
  var globaldata_length = globalData.world.length;
  
      var data1 = new google.visualization.DataTable();
      data1.addColumn('string', 'Countries');
      data1.addColumn('number', 'Dollar Amt.');
    
      for (i=0;i<globaldata_length;i++) {
data1.addRow(globalData.world[i]);
   }

      var options = {};
      options['width'] = '600';
      options['height'] = '450';
      options['colors'] = ['#E4ff0a', '#c9f205', '#A5d902'];
      options['dataMode'] = 'regions';
     
      var geochart = new 
google.visualization.GeoChart(document.getElementById('map_canvas_dollar'));
      geochart.draw(data1, options);
      
  //listner for region click
  //region click for countries is available for all countries but for 
states is only available for US
      
google.visualization.events.addListener(geochart, 'regionClick', function 
(e) 
      {
      var regionData = globalData[e.region];
      if(regionData && regionData.length > 0 )
      {
       var count=data1.getNumberOfRows(); //alert(count)
       data1.removeRows(0, count);
       
for (i=0;i<regionData.length;i++) {
data1.addRow(regionData[i]);
}
  
var options = {
      region: e.region, 
       resolution:'provinces',
      width:600,
      height:450,
           displayMode: (e.region.indexOf("-") == -1)?'regions':'markers', 
           colorAxis:{colors: ['#E4ff0a', '#c9f205', '#A5d902']}
                 };
                 
                  geochart.clearChart();
geochart.draw(data1, options);
   } else { alert("Cannot Drill Further") }
    });
 };





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