trying to export Json data from Google Sheets

GooogleSheetsToWeb.js

    <script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
    <script src="http://code.jquery.com/jquery-migrate-1.2.1.min.js"></script>
    <script>
    $(document).ready(function() {
      getSheetData();
    });

    

    function getSheetData() {
      
      var spreadsheetID = '1i_eJ1XyQXATMCanAZl55z_WAs_Lj0rad-lUnK7jhxz8';
      var worksheetID = 'od6';
      var url = 'https://spreadsheets.google.com/feeds/list/';
      url += spreadsheetID;
      url += '/';
      url += worksheetID;
      url += '/public/values?alt=json';

      var counter = 0;
      
      $.getJSON(url, function(data) {
        var myImportedData = [];
        var items = [];
        var item = [];
        $.each(data.feed.entry, function(key, val) {
          // row by row
          //alert(val.gsx$city1.$t); //"gsx$city1":{"$t":"Pittsburg"}
          var newRow = [];
          var headers = [];
          counter++;
          $.each(val, function(index, value) {
            if (index.indexOf('gsx') > -1) {
              if (counter == 1) {
                headers.push(index.replace('gsx$', ''));
              }
              $.each(value, function(index, value) {
                newRow.push(value);
              });
            }
          });
          // headers
          if (counter == 1) {
            myImportedData.push(headers);
          }
          myImportedData.push(newRow);
        });
        makeTable($('#myTest'), myImportedData);
      });
    }
    
    // makeTable
    // found here:
    // http://www.htmlgoodies.com/beyond/css/working_w_tables_using_jquery.html
    function makeTable(container, data) {
      var table = $("<table/>").addClass('table table-striped');
      $.each(data, function(rowIndex, r) {
        var row = $("<tr/>");
        $.each(r, function(colIndex, c) {
          row.append($("<t" + (rowIndex == 0 ? "h" : "d") + "/>").text(c));
        });
        table.append(row);
      });
      return container.append(table);
    }
  </script>