Two approaches: a native Details element and a custom button that toggles content. Each widget is wrapped in an element with class example, and the controlled content uses the details class.
The native details widget provides accessible expand/collapse behavior without JavaScript. You can nest any content inside it.
Space and EnterTry toggling the summary above to expand or collapse.
Below are the typical deployment steps:
Use the button above to toggle visibility. It updates aria-expanded and the button label accordingly.