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conformance · v149

v149 · opaque-range — conformance probe

6 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/dom/pull/1404 chromestatus: #6297362687066112 generated 2026-06-01T08:15:14Z by conformance-author-v1-subagent
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id contract kind verdict detail
opaque-range-constructor-exists OpaqueRange is exposed as a global constructor for ranges over form-control values. spec ↗ exists
opaque-range-get-bounding-client-rect OpaqueRange exposes getBoundingClientRect (geometry for highlights / anchored UI). spec ↗ typeof
opaque-range-get-client-rects OpaqueRange exposes getClientRects for line-by-line geometry. spec ↗ typeof
input-element-supports-opaque-range HTMLInputElement exposes a method to create an OpaqueRange over its value text. spec ↗ script
textarea-element-supports-opaque-range HTMLTextAreaElement exposes the same OpaqueRange surface as <input>. spec ↗ script
highlight-api-still-supported CSS.highlights is present — OpaqueRange integrates with the Custom Highlight API. spec ↗ exists