window.onload = function() {
var viewModel = {
chartOptions: {
dataSource: dataSource,
commonSeriesSettings: {
argumentField: "state",
type: "stackedBar"
},
series: [
{ valueField: "young", name: "0-14" },
{ valueField: "middle", name: "15-64" },
{ valueField: "older", name: "65 and older" }
],
legend: {
verticalAlignment: "bottom",
horizontalAlignment: "center",
itemTextPosition: 'top'
},
valueAxis: {
title: {
text: "millions"
},
position: "right"
},
title: "Male Age Structure",
"export": {
enabled: true
},
tooltip: {
enabled: true,
location: "edge",
customizeTooltip: function (arg) {
return {
text: arg.seriesName + " years: " + arg.valueText
};
}
}
}
};
ko.applyBindings(viewModel, document.getElementById("chart-demo"));
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.6/js/dx.all.js"></script>
<script src="data.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="chart-demo">
<div id="chart" data-bind="dxChart: chartOptions"></div>
</div>
</div>
</body>
</html>
#chart {
height: 440px;
}
var dataSource = [{
state: "Germany",
young: 6.7,
middle: 28.6,
older: 5.1
}, {
state: "Japan",
young: 9.6,
middle: 43.4,
older: 9
}, {
state: "Russia",
young: 13.5,
middle: 49,
older: 5.8
}, {
state: "USA",
young: 30,
middle: 90.3,
older: 14.5
}];