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    Area Charts

    Area

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    Area series can be used to clearly emphasize change in values. In this example, you can switch between the area, stacked area and full-stacked area series types. Stacked area series help visualize multiple series and compare the manner in which each series contributes to the total aggregate value for specific arguments. Full-stacked area series help compare the percentage value of multiple area series for each argument.

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    window.onload = function() { var currentType = ko.observable(types[0]); var viewModel = { chartOptions: { palette: "Harmony Light", dataSource: dataSource, commonSeriesSettings: { type: currentType, argumentField: "country" }, series: [ { valueField: "y1564", name: "15-64 years" }, { valueField: "y014", name: "0-14 years" }, { valueField: "y65", name: "65 years and older" } ], margin: { bottom: 20 }, title: "Population: Age Structure (2000)", argumentAxis: { valueMarginsEnabled: false }, "export": { enabled: true }, legend: { verticalAlignment: "bottom", horizontalAlignment: "center" } }, typesOptions: { dataSource: types, value: currentType, } }; 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/3.4.1/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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/19.2.4/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="chart" data-bind="dxChart: chartOptions"></div> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Series Type</span> <div data-bind="dxSelectBox: typesOptions"></div> </div> </div> </div> </div> </body> </html>
    .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .option { margin-top: 10px; } .caption { font-size: 18px; font-weight: 500; } .option > span { margin-right: 10px; } .option > .dx-widget { display: inline-block; vertical-align: middle; }
    var dataSource = [{ country: "China", y014: 320866959, y1564: 853191410, y65: 87774113 }, { country: "India", y014: 340419115, y1564: 626520945, y65: 47063757 }, { country: "United States", y014: 58554755, y1564: 182172625, y65: 34835293 }, { country: "Indonesia", y014: 68715705, y1564: 146014815, y65: 10053690 }, { country: "Brazil", y014: 50278034, y1564: 113391494, y65: 9190842 }, { country: "Russia", y014: 26465156, y1564: 101123777, y65: 18412243 }]; var types = ["area", "stackedarea", "fullstackedarea"];