Following is an example of an area chart with negative values. We’ve already seen the configuration used to draw this chart in the Google Charts Configuration Syntax chapter. So, let’s see the complete example.
Configurations
We’ve used area configuration to show the area-based charts.
//area chart
var chart = new google.visualization.AreaChart(document.getElementById('container'));
Example
googlecharts_area_negative.htm
<html>
<head>
<title>Google Charts </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 = google.visualization.arrayToDataTable([
['Year', 'Sales', 'Expenses'],
['2013', 1000, 400],
['2014', -1170, 460],
['2015', -660, 1120],
['2016', 1030, 540]
]);
var options = {
isStacked: true,
title: 'Population',
hAxis: {title: 'Year',titleTextStyle: {color: '#333'}},
vAxis: {minValue: 0}
};
// Instantiate and draw the chart.
var chart = new google.visualization.AreaChart(document.getElementById('container'));
chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>
Result
Verify the result.
