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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 () { const currentType = ko.observable(types[0]); const viewModel = { chartOptions: { palette: 'Harmony Light', 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 (2018)', argumentAxis: { valueMarginsEnabled: false, }, export: { enabled: true, }, legend: { verticalAlignment: 'bottom', horizontalAlignment: 'center', }, }, typesOptions: { dataSource: types, value: currentType, }, }; ko.applyBindings(viewModel, document.getElementById('chart-demo')); };
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    .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; }
    const dataSource = [{ country: 'China', y014: 233866959, y1564: 1170914102, y65: 171774113, }, { country: 'India', y014: 373419115, y1564: 882520945, y65: 76063757, }, { country: 'United States', y014: 60554755, y1564: 213172625, y65: 54835293, }, { country: 'Indonesia', y014: 65715705, y1564: 177014815, y65: 18053690, }, { country: 'Brazil', y014: 45278034, y1564: 144391494, y65: 17190842, }, { country: 'Russia', y014: 24465156, y1564: 96123777, y65: 20412243, }]; const types = ['area', 'stackedarea', 'fullstackedarea'];