.getSeconds());
  };

  exports.TimeSeries = TimeSeries;
  exports.SmoothieChart = SmoothieChart;

})(typeof exports === 'undefined' ? this : exports);


    
    </script>
    <table border=1 style="width:100%">
        <tr>
            <td id="mytd" style="width:50%" >
                <canvas id="mycanvas"  height="100" ></canvas>
            </td>
            <td>
                <canvas id="mycanvas2"  height="100"></canvas>
            </td>
            <button onclick="stop()">Stop</button>
          