FrontendHaltAccessibility·Intermediate·Conceptual·1 min read
What is the accessibility tree?
Short interview answer
It is a platform representation derived from DOM semantics, attributes, styles, and browser rules that exposes roles, names, states, and relationships to assistive technology. It is related to but not identical to the DOM.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.