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    Doughnut Charts

    Doughnut

    Documentation

    This demo illustrates the PieChart component with the doughnut series type, which is often used when comparing the percentage values of different point arguments within a series.

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    window.onload = function () { const viewModel = { chartOptions: { type: 'doughnut', palette: 'Soft Pastel', dataSource, title: 'The Population of Continents and Regions', tooltip: { enabled: true, format: 'millions', customizeTooltip(arg) { return { text: `${arg.valueText} - ${(arg.percent * 100).toFixed(2)}%`, }; }, }, legend: { horizontalAlignment: 'right', verticalAlignment: 'top', margin: 0, }, export: { enabled: true, }, series: [{ argumentField: 'region', label: { visible: true, format: 'millions', connector: { visible: true, }, }, }], }, }; 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/21.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.4/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/21.2.4/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="pie" data-bind="dxPieChart: chartOptions"></div> </div> </div> </body> </html>
    #pie { height: 440px; }
    const dataSource = [{ region: 'Asia', val: 4119626293, }, { region: 'Africa', val: 1012956064, }, { region: 'Northern America', val: 344124520, }, { region: 'Latin America and the Caribbean', val: 590946440, }, { region: 'Europe', val: 727082222, }, { region: 'Oceania', val: 35104756, }];