Firefox 141 supports Intl.Locale.prototype.variants

[bsmth]

Summary

Now supported:

const ja = new Intl.Locale("ja-Jpan-JP-hepburn");
console.log(ja.variants);
// hepburn

Test results and supporting details

• Spec: https://tc39.es/ecma402/#sec-Intl.Locale.prototype.variants
• Bugzilla: 1970161
• Pen: https://codepen.io/bsmth/pen/gbarbKd?editors=0011

Tested false entries manually.

Related issues

• [JS] Implement Intl.Locale.prototype.variants content#40467
• Reference for new Intl.Locale.p.variants content#40497

[github-actions]

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[Elchi3]

Thanks! This slipped through because the collector still doesn't automatically know about new ECMAScript features that aren't in the main ES spec :( (openwebdocs/mdn-bcd-collector#893)

[bsmth]

Thanks! This slipped through because the collector still doesn't automatically know about new ECMAScript features that aren't in the main ES spec

Interesting, good to know, thanks!