Unverified60% confidenceFactExact time
Accessibility Tree 是浏览器和操作系统为屏幕阅读器提供的界面语义结构，包含每个元素的角色、名称和层级关系
2
Sources
60%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
Related Claims
UnverifiedEach UI element in an accessibility tree has properties including Role, Label, Value, and Action.81% similarUnverified可访问性树是浏览器根据DOM和ARIA属性构建的语义化树状结构，由操作系统辅助功能API暴露给外部程序79% similarUnverified屏幕阅读器（如NVDA、JAWS、VoiceOver）依赖浏览器暴露的可访问性树（Accessibility Tree）来理解页面结构72% similarUnverified无障碍树是浏览器基于DOM构建的语义化树状结构，剥离视觉样式信息，保留每个元素的角色、名称、状态和属性等语义信息72% similarUnverified结构感知派直接解析 DOM 树或 Accessibility Tree，速度快、定位精准，但依赖页面本身的语义标注质量65% similar
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