legend in google bar chart
<html>
<head>
<title>Google Charts Tutorial</title>
<script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
</script>
<script type = "text/javascript">
google.charts.load('current', {packages: ['corechart']});
</script>
</head>
<body>
<div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
</div>
<script language = "JavaScript">
function drawChart() {
// Define the chart to be drawn.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Id');
data.addColumn('number', 'Age');
data.addColumn('number', 'Weight');
data.addRows([
[ 'Robert', 8, 12],
[ 'Mohan', 4, 5.5],
[ 'Ramesh', 11, 14],
[ 'Julie', 4, 5],
[ 'Sohan', 3, 3.5],
[ 'Karim', 6.5, 7]
]);
// Set chart options
var options = {'title':'Age vs Weight', 'width':550, 'height':400};
// Instantiate and draw the chart.
var chart = new google.visualization.BubbleChart(document.getElementById('container'));
chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>