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Add or Remove Series in JavaScript Chart control

27 Mar 2023 / 2 minutes to read

You can add or remove the chart series dynamically by using the addSeries or removeSeries method.

To add or remove the series dynamically, follow the given steps:

Step 1:

To add a new series to chart dynamically, pass the series value to the addSeries method.

To remove the new series from chart dynamically, pass the series index to the removeSeries method.

Source
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index.ts
index.html
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import { Chart, ColumnSeries, Category, Legend } from '@syncfusion/ej2-charts';
Chart.Inject(ColumnSeries, Category, Legend);
import { Button } from '@syncfusion/ej2-buttons';
import { EmitType } from '@syncfusion/ej2-base';

let chart: Chart = new Chart({
        //Initializing Primary X Axis
        primaryXAxis: {
            title: 'Manager',
            valueType: 'Category',

        },
        //Initializing Primary Y Axis
        primaryYAxis:
        {
            title: 'Sales',
            minimum: 0,
            maximum: 20000,
        },
        //Initializing Chart Series
        series: [
            {
                type: 'Column',
                dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
                { x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
                xName: 'x', width: 2,
                yName: 'y'
            }
        ],
        //Initializing Chart title
        title: 'Sales Comparision',
    }, '#element');

    document.getElementById('add').onclick = () => {
        chart.addSeries([{
                type: 'Column',
                dataSource: [{ x: 'John', y: 11000 }, { x: 'Jake', y: 16000 }, { x: 'Peter', y: 19000 },
                { x: 'James', y: 12000 }, { x: 'Mary', y: 10700 }],
                xName: 'x', width: 2,
                yName: 'y'
            }]);
    };
     document.getElementById('remove').onclick = () => {
        chart.removeSeries(1);
    };
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<!DOCTYPE html>
<html lang="en">

<head>
            
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='element' style="height: 300px"></div>
        <button id="add" type="button" width='15%' style="float: left">Add</button>
        <button id="remove" type="button" width='15%' style="float: right">Remove</button>
    </div>
</body>

</html>
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