Unverified50% confidenceFactExact time
The final output is a single index.html file, 224 KB and approximately 3,500 lines of code, using only Canvas 2D with no dependencies on any libraries, images, fonts, or network requests.
1
Sources
50%
Confidence
Long-term
Relevance
9/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedWhen rendering documents with Canvas, every character, line, and table border requires the developer to manually calculate coordinates and call drawing APIs, as Canvas does not maintain an element tree structure.67% similarUnverifiedIn grid rendering, the Canvas approach is suitable for scenarios where thousands to tens of thousands of blocks exist simultaneously, because it does not require creating a separate DOM node for each block, avoiding the reflow overhead of the layout engine.66% similarUnverifiedBecause Canvas content is an opaque bitmap to screen readers, editors must maintain a parallel ARIA tree or hidden DOM structure to convey document content and structure to assistive technologies.66% similarVerifiedHTML5 Canvas API提供像素级的位图渲染能力,适合高性能的图形操作65% similarUnverifiedWhen the browser print engine generates a PDF, it takes a static snapshot of the current DOM; if a script has not yet finished executing, Canvas content will appear as blank in the PDF.65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/928723API
curl https://kongchang.com/api/v1/knowledge/claims/928723MCP
get_claim(id=928723)