<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://www.gstatic.com/charts/loader.js"></script>
</head>
<body>
<div id="point">
</div>
<script>
google.charts.load("current", {packages:["corechart"]});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Quarks', 'Leptons', 'Gauge Bosons', 'Scalar Bosons'],
[2/3, -1, 0, 0],
[2/3, -1, 0, null],
[2/3, -1, 0, null],
[-1/3, 0, 1, null],
[-1/3, 0, -1, null],
[-1/3, 0, null, null],
[-1/3, 0, null, null]
]);
var options = {
title: 'Charges of subatomic particles',
height: 400,
legend: { position: 'top', maxLines: 2 },
colors: ['#5C3292', '#1A8763', '#871B47', '#999999'],
interpolateNulls: false,
};
var chart = new google.visualization.Histogram(document.getElementById('point'));
chart.draw(data, options);
}
</script> </body>
</html>