Examples of an accessible expand/collapse widget. Each widget is wrapped in a div.example and the controlled content uses class="details". Use the buttons to toggle each section.
Topic A covers foundational concepts and background information. When expanded, you can see more details, examples, and links to resources for further study.
Key idea 1: Something important to know.
Key idea 2: Another relevant point with context.
Key idea 3: Practical example and usage notes.
Tip: Use the button above (or press Enter/Space when focused) to open and close this panel.
Keyboard: Tab → Enter/Space to toggle
Here are a few concise code snippets and examples that demonstrate usage patterns:
// Example pseudo-code
function greet(name) {
return `Hello, ${name}!`;
}
Try copying one of these snippets into your editor to experiment.
These panels animate their height to provide a smooth transition.