Overview
DevExtreme JavaScript Charts is a library of adaptive chart components available as AngularJS directives. In addition to the common line, bar, and pie charts, the library includes such specialized charts as treemap, bubble chart, polar and radar charts, and many more. All charts support two-way binding to scope properties and behave like native components. View demos in this section for more information on chart features, like tooltips, client-side exporting and printing, scale breaks, error bars, etc.
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const DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', ($scope) => {
const data = complaintsData.sort((a, b) => b.count - a.count);
const totalCount = data.reduce((prevValue, item) => prevValue + item.count, 0);
let cumulativeCount = 0;
const dataSource = data.map((item) => {
cumulativeCount += item.count;
return {
complaint: item.complaint,
count: item.count,
cumulativePercentage: Math.round((cumulativeCount * 100) / totalCount),
};
});
$scope.chartOptions = {
palette: 'Harmony Light',
dataSource,
title: 'Pizza Shop Complaints',
argumentAxis: {
label: {
overlappingBehavior: 'stagger',
},
},
tooltip: {
enabled: true,
shared: true,
customizeTooltip(info) {
const tmpContainer = document.createElement('div');
tmpContainer.innerHTML = ["<div><div class='tooltip-header'></div>",
"<div class='tooltip-body'><div class='series-name'>",
"<span class='top-series-name'></span>",
": </div><div class='value-text'>",
"<span class='top-series-value'></span>",
"</div><div class='series-name'>",
"<span class='bottom-series-name'></span>",
": </div><div class='value-text'>",
"<span class='bottom-series-value'></span>",
'% </div></div></div>'].join('');
tmpContainer.querySelector('.tooltip-header').textContent = info.argumentText;
tmpContainer.querySelector('.top-series-name').textContent = info.points[0].seriesName;
tmpContainer.querySelector('.top-series-value').textContent = info.points[0].valueText;
tmpContainer.querySelector('.bottom-series-name').textContent = info.points[1].seriesName;
tmpContainer.querySelector('.bottom-series-value').textContent = info.points[1].valueText;
return {
html: tmpContainer.innerHTML,
};
},
},
valueAxis: [{
name: 'frequency',
position: 'left',
tickInterval: 300,
}, {
name: 'percentage',
position: 'right',
showZero: true,
label: {
customizeText(info) {
return `${info.valueText}%`;
},
},
constantLines: [{
value: 80,
color: '#fc3535',
dashStyle: 'dash',
width: 2,
label: { visible: false },
}],
tickInterval: 20,
valueMarginsEnabled: false,
}],
commonSeriesSettings: {
argumentField: 'complaint',
},
series: [{
type: 'bar',
valueField: 'count',
axis: 'frequency',
name: 'Complaint frequency',
color: '#fac29a',
}, {
type: 'spline',
valueField: 'cumulativePercentage',
axis: 'percentage',
name: 'Cumulative percentage',
color: '#6b71c3',
}],
legend: {
verticalAlignment: 'top',
horizontalAlignment: 'center',
},
};
});
<!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>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.light.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
<script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdn3.devexpress.com/jslib/22.1.3/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" ng-app="DemoApp" ng-controller="DemoController">
<div id="chart-demo">
<div id="chart" dx-chart="chartOptions"></div>
</div>
</div>
</body>
</html>
#chart {
height: 440px;
}
.tooltip-header {
margin-bottom: 5px;
font-size: 16px;
font-weight: 500;
padding-bottom: 5px;
border-bottom: 1px solid #c5c5c5;
}
.tooltip-body {
width: 170px;
}
.tooltip-body .series-name {
font-weight: normal;
opacity: 0.6;
display: inline-block;
line-height: 1.5;
padding-right: 10px;
width: 126px;
}
.tooltip-body .value-text {
display: inline-block;
line-height: 1.5;
width: 30px;
}
const complaintsData = [
{ complaint: 'Cold pizza', count: 780 },
{ complaint: 'Not enough cheese', count: 120 },
{ complaint: 'Underbaked or Overbaked', count: 52 },
{ complaint: 'Delayed delivery', count: 1123 },
{ complaint: 'Damaged pizza', count: 321 },
{ complaint: 'Incorrect billing', count: 89 },
{ complaint: 'Wrong size delivered', count: 222 },
];