JavaScript/jQuery Charts - Export Several Charts

The DevExpress.viz.exportWidgets(widgetInstances, options) method allows you to export several charts to a single image or document.

The widgetInstances parameter accepts an array with the following format:

[
    [ widgetInstance0_1, widgetInstance0_2, ..., widgetInstance0_N ],
    [ widgetInstance1_1, widgetInstance1_2, ..., widgetInstance1_M ],
    ...
    [ widgetInstanceP_1, widgetInstanceP_2, ..., widgetInstanceP_R ]
]

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Backend API

$(() => { const chartInstance = $('#chart').dxChart({ rotated: true, title: 'Olympic Gold Medals in 2008', dataSource: goldMedals, series: { color: '#f3c40b', argumentField: 'country', valueField: 'medals', type: 'bar', label: { visible: true, }, }, legend: { visible: false, }, }).dxChart('instance'); const pieChartInstance = $('#pieChart').dxPieChart({ palette: 'Harmony Light', dataSource: allMedals, title: 'Total Olympic Medals\n in 2008', series: [{ argumentField: 'country', valueField: 'medals', label: { visible: true, connector: { visible: true, }, }, }], }).dxPieChart('instance'); $('#export').dxButton({ icon: 'export', text: 'Export', type: 'default', width: 145, onClick() { DevExpress.viz.exportWidgets([[chartInstance, pieChartInstance]], { fileName: 'chart', format: 'PNG', }); }, }); });

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <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=5.0" /> <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/25.1.3/css/dx.light.css" /> <script src="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 class="charts"> <div id="chart"></div> <div id="pieChart"></div> </div> <div class="controls-pane"> <div id="export"></div> </div> </div> </div> </body> </html>

#chart-demo { height: 460px; } .charts { width: 820px; margin: 0 auto; height: 374px; margin-bottom: 40px; font-size: 0; } #chart, #pieChart { width: 395px; height: 100%; display: inline-block; vertical-align: top; } #chart { margin-right: 30px; } .controls-pane { text-align: center; }

const allMedals = [{ country: 'USA', medals: 110, }, { country: 'China', medals: 100, }, { country: 'Russia', medals: 71, }, { country: 'UK', medals: 47, }, { country: 'Australia', medals: 46, }, { country: 'Germany', medals: 41, }, { country: 'France', medals: 41, }, { country: 'South Korea', medals: 31, }]; const goldMedals = [{ country: 'China', medals: 51, }, { country: 'USA', medals: 36, }, { country: 'Russia', medals: 22, }, { country: 'UK', medals: 19, }, { country: 'Germany', medals: 16, }, { country: 'Australia', medals: 14, }, { country: 'South Korea', medals: 13, }, { country: 'France', medals: 7, }];

Each nested array contains component instances that should be in the same row in the exported document. In this demo, chartInstance and pieChartInstance occupy the only row in the document.

The options parameter accepts an object whose fields allow you to configure export properties. In this demo, we specify the fileName and format. Refer to the method description for information on other available fields.