Unverified50% confidenceFactExact time
Each UI element in an accessibility tree has properties including Role, Label, Value, and Action.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Related Claims
UnverifiedAccessibility 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81% similarUnverifiedAccessibility 树相比原始 HTML DOM 过滤了大量纯视觉样式信息，保留语义层面的可交互元素，能在降低 token 消耗的同时提升 Agent 感知准确性64% 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63% similarUnverified标准input和textarea拥有统一的value属性和光标API，而contenteditable内容结构为DOM树需通过Selection和Range API操作63% 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62% similar
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