Accessibility in React Radio button component

30 Jan 20233 minutes to read

The web accessibility makes web content and web applications more accessible for people with disabilities. It especially helps in dynamic content change and development of advanced user interface controls with AJAX, HTML, JavaScript, and related technologies.
RadioButton provides built-in compliance with WAI-ARIA specifications. WAI-ARIA support is achieved through the attributes like aria-checked and aria-disabled. It helps the people with disabilities by providing information about the widget for assistive technology in the screen readers. RadioButton component contains the radiobutton role.

Properties	Functionality
role	Indicates the type of input element.
aria-checked	Indicates whether the input is checked, unchecked, or represents mixture of checked and unchecked values.
aria-disabled	Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable.

Keyboard interaction

Keyboard shortcuts	Actions
Up/Left arrow	Move and select the previous options.
Down/Right arrow	Move and select the next options.

app.jsx

import { enableRipple } from '@syncfusion/ej2-base';
import { RadioButtonComponent } from '@syncfusion/ej2-react-buttons';
import * as React from 'react';
import * as ReactDom from 'react-dom';
enableRipple(true);
// To render RadioButton.
function App() {
    return (<ul>
          <li><RadioButtonComponent class="radiobutton" label="Option 1" name="state" checked={true}/></li>
          <li><RadioButtonComponent class="radiobutton" label="Option 2" name="state"/></li>
          <li>
              <RadioButtonComponent class="radiobutton" label="Option 3" name="state"/>
              <RadioButtonComponent class="radiobutton" label="Option 4" name="state"/>
          </li>
      </ul>);
}
export default App;
ReactDom.render(<App />, document.getElementById('radio-button'));

app.tsx

import { enableRipple } from '@syncfusion/ej2-base';
import { RadioButtonComponent } from '@syncfusion/ej2-react-buttons';
import * as React from 'react';
import * as ReactDom from 'react-dom';

enableRipple(true);

// To render RadioButton.
function App() {
  return (
    <ul>
          <li><RadioButtonComponent  class="radiobutton" label="Option 1" name="state" checked={true} /></li>
          <li><RadioButtonComponent  class="radiobutton" label="Option 2" name="state" /></li>
          <li>
              <RadioButtonComponent  class="radiobutton" label="Option 3" name="state" />
              <RadioButtonComponent  class="radiobutton"label="Option 4" name="state" />
          </li>
      </ul>
  );
}
export default App;
ReactDom.render(<App />, document.getElementById('radio-button'));