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JavaScript Bubble charts are like scatter chart, but allows you to visualize data in 3 dimensions. The size of the bubble is determined based on the third parameter.

Customizing each point in bubble

Appearance of each data point in a bubble chart can be customized using point render event to differentiate each point based on the size.

Data label

Data labels display information about data points. Add a template to display data labels with HTML elements such as images, DIV, and spans for more informative data labels. You can rotate a data label by its given angle.

Code snippet

import { Chart, BubbleSeries, Category } from '@syncfusion/ej2-charts';
Chart.Inject(BubbleSeries, Category);

let chart: Chart = new Chart({
    primaryXAxis: {
        valueType: 'Category'
        type: 'Bubble',
        dataSource: [
            { x: 1, y: 45, text: 'USA', fill: '#00226C', size: 1.347 },
            { x: 2, y: 20, text: 'AUS', fill: '#0450C2', size: 1 },
            { x: 3, y: 56, text: 'CHN', fill: '#0073DC', size: 0.01 },
            { x: 4, y: 30, text: 'IND', fill: '#0D98FF', size: 0.7 },
            { x: 5, y: 13, text: 'JPN', fill: '#9CD9FF', size: 0.333 },
            { x: 6, y: 45, text: 'UK', fill: '#0450C2', size: 1 }
        xName: 'x', yName: 'y'
}, '#Chart');
<!DOCTYPE html>


<body style = 'overflow: hidden'>
    <div id="container">
     <div id="Chart"></div>


        #control-container {
            padding: 0px !important;


Learning Resources


Bubble Chart User Guide Learn the available options to customize JavaScript bubble chart.


Bubble Chart API Reference

Explore the JavaScript bubble chart APIs.


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