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conformance · v149

v149 · intl-locale-prototype-variants — 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://tc39.es/ecma402/#sec-Intl.Locale.prototype.variants chromestatus: #4709921706868736 generated 2026-06-01T08:15:14Z by conformance-author-v1-subagent
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id contract kind verdict detail
intl-locale-exists Intl.Locale is exposed as a constructor. spec ↗ exists
variants-on-prototype Intl.Locale.prototype has an own 'variants' accessor (the new getter). spec ↗ script
variants-returns-array Intl.Locale.prototype.variants returns an Array for a locale with a variant subtag. spec ↗ script
variants-1996-recognised Constructing Intl.Locale('de-DE-1996') exposes '1996' through .variants. spec ↗ script
variants-empty-when-none A locale with no variant subtag yields an empty .variants array. spec ↗ script
variants-option-accepted-in-constructor Intl.Locale constructor accepts 'variants' in the option bag and reflects it on the tag. spec ↗ script