React RadioGroup - Keyboard Support
An end user can use the following keys to interact with the UI component.
Key | Action |
---|---|
↑ or Page Up | Moves focus to the previous radio button. |
↓ or Page Down | Moves focus to the next radio button. |
Home / End | Moves focus to the first/last radio button. |
Enter or Space | Selects the focused radio button. |
You can implement a custom handler for a key using the registerKeyHandler(key, handler) method.
App.js
- import React from 'react';
- import 'devextreme/dist/css/dx.common.css';
- import 'devextreme/dist/css/dx.light.css';
- import { RadioGroup } from 'devextreme-react/radio-group';
- class App extends React.Component {
- constructor(props) {
- super(props);
- this.radioGroupRef = React.createRef();
- }
- render() {
- return (
- <RadioGroup ref={this.radioGroupRef} />
- );
- }
- get radioGroup() {
- return this.radioGroupRef.current.instance;
- }
- componentDidMount() {
- this.radioGroup.registerKeyHandler('backspace', function(e) {
- // The argument "e" contains information on the event
- });
- this.radioGroup.registerKeyHandler('space', function(e) {
- // ...
- });
- }
- }
- export default App;
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- RadioGroup Demos
- RadioGroup API Reference
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