Unverified50% confidenceFactExact time
内容脚本在网页上下文中运行但拥有独立JavaScript沙箱，能读取和修改页面DOM结构、注入CSS，却与页面脚本相互隔离
1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
UnverifiedBrowser extensions can automatically run on any website a user visits and dynamically inject HTML elements and styles into pages via the Content Script mechanism.78% similarVerifiedBrowser Use offers two page-understanding modes: DOM mode and visual mode.77% similarUnverifiedThe PageAgent framework is based on a plain-text architecture of DOM elements at its core, is unable to process image elements, and understands pages by reading text content, attributes, and hierarchical relationships.77% similarPartially VerifiedHTML course files generated by Teach can be opened directly in a browser and contain a complete HTML structure, CSS styles, and JavaScript interaction logic, forming a self-contained single-page web application.74% similarUnverifiedHTML默认采用响应式布局、文档流排列和CSS盒模型，天然为网页而设计74% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/567026API
curl https://kongchang.com/api/v1/knowledge/claims/567026MCP
get_claim(id=567026)