This is a simple expand/collapse widget built with semantic HTML, CSS, and minimal JavaScript. It provides accessible interaction for showing and hiding content sections.
Accessibility in web design ensures that all users, including those with disabilities, can interact with content effectively. This widget follows WCAG 2.2 Level AA guidelines by providing keyboard support, sufficient color contrast, and proper semantic markup.
Key principles include perceivable information, operable interface, understandable content, and robust compatibility with assistive technologies.
Always test with real users and tools like screen readers to ensure the best experience.