← back to v138 · html-in-canvas

conformance · v138

v138 · html-in-canvas — conformance probe

5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://github.com/whatwg/html/pull/11588 chromestatus: #5172548013916160 generated 2026-06-01T09:30:00Z by conformance-author-v1-subagent
0
pass
0
fail
0
blocked
5
total
id contract kind verdict detail
canvas-exists HTMLCanvasElement is exposed. spec ↗ exists
layoutsubtree-attribute-reflects The new layoutsubtree content attribute on <canvas> reflects through the DOM. spec ↗ script
2d-drawelement-method CanvasRenderingContext2D exposes drawElement (a.k.a. drawElementImage) for rendering an HTML subtree to canvas. spec ↗ script
webgl-texelementimage2d WebGL2 context exposes texElementImage2D for sourcing textures from HTML elements when present. spec ↗ script
webgpu-copyelementimagetotexture GPUQueue.prototype.copyElementImageToTexture is exposed when WebGPU is available. spec ↗ script