For a given set of browsers what APIs are still considred experimental, and how long have they been experimental?
Below is a list of features that are marked as "Experimental" in Chrome and Firefox
| API | First Browser | Date | Last Browser | Date | Days in experimentation | Notes |
|---|---|---|---|---|---|---|
| javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_trailingZeroDisplay_parameter | Firefox | 8/1/2023 | 961 | |||
| javascript.builtins.Iterator.zip 📋 | Firefox | 2/24/2026 | 23 | |||
| javascript.builtins.Iterator.zipKeyed 📋 | Firefox | 2/24/2026 | 23 | |||
| javascript.builtins.Temporal.Instant.Instant 📋 | Firefox | 5/27/2025 | 296 | |||
| javascript.builtins.Temporal.PlainDate.PlainDate 📋 | Firefox | 5/27/2025 | 296 | |||
| javascript.builtins.Temporal.PlainDateTime.PlainDateTime 📋 | Firefox | 5/27/2025 | 296 | |||
| javascript.builtins.Temporal.PlainMonthDay.PlainMonthDay 📋 | Firefox | 5/27/2025 | 296 | |||
| javascript.builtins.Temporal.PlainYearMonth.PlainYearMonth 📋 | Firefox | 5/27/2025 | 296 | |||
| javascript.builtins.Temporal.ZonedDateTime.ZonedDateTime 📋 | Firefox | 5/27/2025 | 296 |