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conformance · v149

v149 · clip-text-overflow-on-user-interaction — conformance probe

9 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://www.w3.org/TR/css-overflow-3/#ellipsis-interaction chromestatus: #5146265241387008 generated 2026-06-04T00:04:34Z by codex-search-results-overflow-repair
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pass
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fail
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blocked
9
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id contract kind verdict detail
text-overflow-ellipsis-supported text-overflow: ellipsis is supported (the value the spec switches off during interaction). spec ↗ css-supports
text-overflow-clip-supported text-overflow: clip is supported (the temporary state used during caret navigation). spec ↗ css-supports
contenteditable-supported contenteditable elements (which trigger the clip-on-interaction behaviour) are supported. spec ↗ script
selection-api-exists window.getSelection exists — caret position changes are what drive the ellipsis-to-clip swap. spec ↗ typeof
selectionchange-event-supported document supports the selectionchange event used to detect caret movement. spec ↗ script
computed-text-overflow-round-trips Setting text-overflow via CSSOM round-trips through getComputedStyle. spec ↗ script
input-text-overflow-round-trips Input controls can carry the same text-overflow: ellipsis styling used by editable search-result titles and URLs. spec ↗ script
overflowing-input-has-hidden-inline-overflow A constrained editable input with nowrap, hidden overflow, and ellipsis has measurable hidden inline overflow. spec ↗ script
text-input-caret-selection-supported Text inputs expose selection ranges so user caret navigation can trigger the ellipsis-to-clip interaction path. spec ↗ script