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accessibilityAccessibility and interactive component behavior

Accessible Components and Keyboard Support

A local pack for semantics, keyboard support, and accessible widget behavior that is useful in both theory and machine coding rounds.

AccessibilityHTML and CSSMachine Coding
Easy start

Learn it in plain school-level language first

  • Accessible UI means more people can use the app in different ways.
  • Native HTML elements already know a lot about keyboard and screen-reader behavior.
  • Custom widgets need clear focus movement, names, and keyboard support.
Best for

What this local pack helps you answer

Semantic HTML, focus behavior, keyboard navigation, accessible names, and ARIA widget expectations.

Why this matters for your profile

Accessibility already appears in your profile, so stronger language here helps you stand out as a thoughtful product engineer instead of only a UI implementer.

Quick revision

Fast last-day recap

  • Semantics first.
  • Keyboard and focus always.
  • Use ARIA only when native HTML is not enough.
  • Accessible structure improves testing too.
Key takeaways

Local study notes

  • Semantic HTML gives you built-in accessibility behavior before ARIA is even needed.
  • Keyboard support, focus visibility, and accessible names are foundational quality checks.
  • WAI-ARIA patterns matter most when building custom interactive widgets like tabs, dialogs, and comboboxes.
  • Accessible UI and testability often improve together because both rely on meaningful structure.
Interview angles

How to use it in answers

  • Use this pack in machine coding when you need to mention keyboard behavior and roles quickly.
  • Pair accessibility with testing and semantics in your answers.
  • Avoid saying ARIA solves everything; say semantics first, ARIA where needed.
Source attribution

Derived from official material

This pack is stored locally in the app as interview-focused notes. The source references are kept for attribution, but you do not need to leave the application to study this material.

  • web.dev Accessibility (official-guide) - https://web.dev/accessibility
  • WAI-ARIA Authoring Practices Guide (official-guide) - https://www.w3.org/WAI/ARIA/apg/