JSFiddle - React, Tailwind, and code Playground

HTML

<html>
  <head>
    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load("visualization", "1", {packages:["corechart"]});
      google.setOnLoadCallback(drawChart);
        
      var chart;
      var data;
      var options;
			var batchTempsData;
      
      function drawChart() {
        dataTable = google.visualization.arrayToDataTable([
          ['Time', 'Temp C°'],
          ['2017-05-31 13:44:54',  20.5],
          ['2017-05-31 13:54:54',  21.7],
          ['2017-05-31 14:04:54',  22.0],
          ['2017-05-31 14:14:54',  21.3]
        ]);

        options = {
          title: 'Temperature measurements',
          hAxis: {title: 'Date/Time', titleTextStyle: {color: 'red'}}
        };

        chart = new google.visualization.AreaChart(document.getElementById('dayChart_div'));
        chart.draw(dataTable, options);
      }
        
      // function to update the chart with new data.
      function updateChart() {
       
          dataTable = new google.visualization.DataTable();
          
          var newData = [['Time', 'Temp C°'],
            ['2017-05-31 14:24:54',  19.5],
            ['2017-05-31 14:34:54',  18.7],
            ['2017-05-31 14:44:54',  18.3],
            ['2017-05-31 14:54:54',  17.9],
            ['2017-05-31 15:04:54',  18.9]];
        
          // determine the number of rows and columns.
          var numRows = newData.length;
          var numCols = newData[0].length;
        
          // in this case the first column is of type 'string'.
          dataTable.addColumn('string', newData[0][0]);
        
          // all other columns are of type 'number'.
          for (var i = 1; i < numCols; i++)
            dataTable.addColumn('number', newData[0][i]);           
        
          // now add the rows.
          for (var i = 1; i < numRows; i++) 
            dataTable.addRow(newData[i]);            

          // redraw the chart.
         ...