An Example of a Google Bar Chart

HTML

<script type="text/javascript" src="https://www.google.com/jsapi"></script>
  <div id="chart_div"><div>

JavaScript

google.load('visualization', '1', {packages: ['corechart']});
google.setOnLoadCallback(drawTrendlines);

function drawTrendlines() {
    datA = "[['Date','All'],['one', 15],['two', 40],['three', 120]]"; //version 1, no trend
//  datA = "[['Date','All'],[1, 15],[2, 40],[3, 120]]"; //version 2, all OK

    var data = google.visualization.arrayToDataTable(eval(datA));    
    var options = {
        hAxis: {title: 'Time'},
        vAxis: {title: 'Popularity'},
        colors: ['#AB0D06', '#007329'],
		trendlines: {0: {}}
      };

      var chart = new google.visualization.AreaChart(document.getElementById('chart_div'));
      chart.draw(data, options);
}