Frontend System Design Course
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ARIA

Definition

Accessible Rich Internet Applications (ARIA) is a set of attributes that define ways to make web content and web applications more accessible. ARIA is strictly meant to bridge gaps where native semantic HTML falls short.

Explain Like I'm New

A set of special tags you add to complex custom UI components (like a custom dropdown) to explicitly tell screen readers exactly what the component is and what state it is in.

Terminal Output

bash / terminal
First Rule of ARIA: No ARIA is better than bad ARIA. Always prefer native semantic HTML elements over ARIA attributes whenever possible.

Interview Questions

basic

  • What is the core concept of ARIA?

intermediate

  • How does ARIA impact the overall user experience?

advanced

  • How do you scale ARIA across a large enterprise application?

trick

  • Can ARIA be fully automated?

Flash Cards

Question

Define ARIA.

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Answer

ARIA is a key non-functional requirement for robust frontend systems.