Overview
React Stacked Line Chart display Y-values stacked over one another in series order. Individual contributions can be compared against the cumulative total across categories. 
Marker
Markers support built-in shapes such as circles, rectangles, ellipses, lines, diamonds, triangles, pentagons, crosses, and pluses. Images can also be used as marker symbols for customized presentations.

Data label
Data labels display information about data points. Templates support custom label content using HTML elements such as images, divs, and spans. Labels can also be rotated to a specified angle.

Multiple axes
Multiple axes allow different data sets with varying value ranges to be plotted within the same chart.

Customization
Customize the look and feel of the Stacked Line Chart using built-in APIs.

Code snippet
Get started with the React Stacked Line Chart using a few simple lines of HTML and JavaScript code, as demonstrated below. Also explore demo to learn how to render and configure the component.
import { AxisModel, ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, Category, StackingLineSeries } from '@syncfusion/ej2-react-charts';
import * as React from "react";
class App extends React.Component<{}, {}> {
public primaryXAxis: AxisModel = { valueType: 'Category'};
public chartData: any[] = [
{ x: 'Food', y: 90, y1: 40, y2: 70, y3: 120 },
{ x: 'Transport', y: 80, y1: 90, y2: 110, y3: 70 },
{ x: 'Medical', y: 50, y1: 80, y2: 120, y3: 50 },
{ x: 'Clothes', y: 70, y1: 30, y2: 60, y3: 180 },
{ x: 'Personal Care', y: 30, y1: 80, y2: 80, y3: 30 },
{ x: 'Books', y: 10, y1: 40, y2: 30, y3: 270 },
{ x: 'Fitness', y: 100, y1: 30, y2: 70, y3: 40 },
{ x: 'Electricity', y: 55, y1: 95, y2: 55, y3: 75 },
{ x: 'Tax', y: 20, y1: 50, y2: 40, y3: 65 },
{ x: 'Pet Care', y: 40, y1: 20, y2: 80, y3: 95 },
{ x: 'Education', y: 45, y1: 15, y2: 45, y3: 195 },
{ x: 'Entertainment', y: 75, y1: 45, y2: 65, y3: 115 }
];
public marker : any = {visible: true} ;
public render() {
return <ChartComponent id='charts' primaryXAxis={this.primaryXAxis}>
<Inject services={[StackingLineSeries, Category]} />
<SeriesCollectionDirective>
<SeriesDirective dataSource={this.chartData} xName='x' yName='y' name='John' width='2' type='StackingLine' marker={this.marker} dashArray='5,1'>
</SeriesDirective>
<SeriesDirective dataSource={this.chartData} xName='x' yName='y1' name='Peter' width='2' type='StackingLine' marker= {this.marker} dashArray='5,1'>
</SeriesDirective>
<SeriesDirective dataSource={this.chartData} xName='x' yName='y2' name='Steve' width='2' type='StackingLine' marker= {this.marker} dashArray='5,1'>
</SeriesDirective>
<SeriesDirective dataSource={this.chartData} xName='x' yName='y3' name='Charle' width='2' type='StackingLine' marker= {this.marker} dashArray='5,1'>
</SeriesDirective>
</SeriesCollectionDirective>
</ChartComponent>
}
};
ReactDOM.render(
<App />,
document.getElementById('charts') as HTMLElement
);<!DOCTYPE html>
<html>
<body>
<div id="charts"></div>
</body>
</html>Learning resources
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