How to add custom axis label in React Chart?

This article explains how to customize and add custom axis label in the React Chart.

Customize the axis label

Axis labels have been generated based on the provided data points. In the React Chart, you can change the entire axis label text to your desired text using the axisLabelRender event.

In the following code example, the primary y-axis labels are overridden by the axisLabelRender event.

Index.js

import { createRoot } from 'react-dom/client';
import * as React from 'react';
import { ChartComponent, SeriesCollectionDirective, SeriesDirective, Inject, LineSeries, Category 
   } from '@syncfusion/ej2-react-charts';

const Line = () => {
 const axisLabelRender = (args) => {
   if (args.axis.orientation === 'Vertical') 
   {
     if (args.value <= 380) {
       args.text = 'Very Low';
     } else if (args.value > 380 && args.value < 420) {
       args.text = 'Low';
     } else if (args.value >= 420 && args.value < 430) {
       args.text = 'Average';
     } else if (args.value >= 430 && args.value < 455) {
       args.text = 'High';
     } else if (args.value >= 455) {
       args.text = 'Very High';
     }
   }
 }
 return (
       <ChartComponent
         id="charts"
         primaryXAxis={{
           valueType: 'Category',
           labelStyle: {fontWeight: 'Bold'}
         }}
         primaryYAxis={{
           minimum: 380,
           maximum: 470,
           interval: 15,
           labelStyle: {fontWeight: 'Bold'}
         }}
         axisLabelRender={axisLabelRender.bind(this)}
       >
         <Inject services={[LineSeries, Category]} />
         <SeriesCollectionDirective>
           <SeriesDirective
             dataSource={data}
             xName="x"
             yName="y"
             type="Line"
           ></SeriesDirective>
         </SeriesCollectionDirective>
       </ChartComponent>
   );
};
export default Line;

const root = createRoot(document.getElementById('sample'));
root.render(<Line />);

The following screenshot illustrate the output of the above code snippet.

Screenshot:

View Sample in Stackblitz

Conclusion

I hope you enjoyed learning how to customize and add custom axis label in the React Chart Component.

You can refer to our React Chart feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our React Chart example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, support portal, or feedback portal. We are always happy to assist you!