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Display Selected Data in JavaScript Chart control

By using the dragComplete, you can get the selected data values for range selection.

To display the selected data value, follow the given steps:

Step 1:

Get the selected data point values and display the values through grid component by using the dragComplete event.

Source
Preview
index.ts
index.html
import { Chart, Selection } from '@syncfusion/ej2-charts';
import { Legend, Category, ScatterSeries } from '@syncfusion/ej2-charts';
Chart.Inject(Selection, Legend, Category, ScatterSeries);
import { Grid } from '@syncfusion/ej2-grids';
import { data } from './datasource.ts';

let selectedData: any;
    let chart: Chart = new Chart({
        //Initializing Primary X Axis
        primaryXAxis: {
            minimum: 1970,
            maximum: 2016
        },
        //Initializing Primary Y Axis
        primaryYAxis: {
            title: 'Sales',
            labelFormat: '{value}%',
            interval: 25,
            minimum: 0,
            maximum: 100,
        },
        //Initializing Chart Series
        series: [
            {
                type: 'Scatter',
                dataSource: [{ x: 1971, y: 50 }, { x: 1972, y: 20 }, { x: 1973, y: 63 }, { x: 1974, y: 81 }, { x: 1975, y: 64 },
                    { x: 1976, y: 36 }, { x: 1977, y: 22 }, { x: 1978, y: 78 }, { x: 1979, y: 60 }, { x: 1980, y: 41 },
                    { x: 1981, y: 62 }, { x: 1982, y: 56 }, { x: 1983, y: 96 }, { x: 1984, y: 48 }, { x: 1985, y: 23 },
                    { x: 1986, y: 54 }, { x: 1987, y: 73 }, { x: 1988, y: 56 }, { x: 1989, y: 67 }, { x: 1990, y: 79 },
                    { x: 1991, y: 18 }, { x: 1992, y: 78 }, { x: 1993, y: 92 }, { x: 1994, y: 43 }, { x: 1995, y: 29 },
                    { x: 1996, y: 14 }, { x: 1997, y: 85 }, { x: 1998, y: 24 }, { x: 1999, y: 61 }, { x: 2000, y: 80 },
                    { x: 2001, y: 14 }, { x: 2002, y: 34 }, { x: 2003, y: 81 }, { x: 2004, y: 70 }, { x: 2005, y: 21 },
                    { x: 2006, y: 70 }, { x: 2007, y: 32 }, { x: 2008, y: 43 }, { x: 2009, y: 21 }, { x: 2010, y: 63 },
                    { x: 2011, y: 9 }, { x: 2012, y: 51 }, { x: 2013, y: 25 }, { x: 2014, y: 96 }, { x: 2015, y: 32 }
                ],
                xName: 'x',
                yName: 'y', name: 'Product A',
                marker: {
                    shape: 'Triangle',
                    width: 10, height: 10
                }
            }
        ],
        title: 'Profit Comparision of A and B', legendSettings: { visible: true, toggleVisibility: false },
        selectionMode: 'DragXY',
        //Get selected range data values
        dragComplete:(args: IDragCompleteEventArgs) => {
        grid.dataSource = args.selectedDataValues[0];
        grid.refresh();
        }
    });
    chart.appendTo('#element');
    let grid: Grid = new Grid({
    columns: [
                { field: 'x', headerText: 'x',  type: 'string' },
                { field: 'y', headerText: 'y', type: 'number' }
    ],
   });
   grid.appendTo('#Grid');
<!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="http://npmci.syncfusion.com/packages/development/material.css" rel="stylesheet">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.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 class="col-sm-8">
            <div class="row">
                <div class="col-sm-4">  
                  <div id='container'>
                    <div id='element'  style="width:350px; height:350px;float:left">
                    </div>
                    <label id="lbl"></label>
                  </div>
                </div>
                <div class="col-sm-4" style="width:200px; height:350px;float: right">
                  <div id='Grid'>
                  </div>
                </div>
            </div>
    </div>
</body> 
</html>