2026
1 featuresThe getter methods of the Intl.Locale API provide supplemental information about a Unicode locale, such as the locale's calendar (for example, the first day in a week or the weekend start day), writing direction, 12- or 24-hour cycles, and numbering system.
2025
1 featuresThe Intl.DurationFormat API creates a locale-aware formatter that turns an object representing a duration (such as days, hours, and minutes) into a string.
2024
1 featuresThe Intl.Segmenter API creates a locale-aware text splitter that can separate a string into meaningful graphemes, words, or sentences.
2021
2 featuresThe Intl.DisplayNames API provides localized names of language, region, script, and currency codes.
The Intl.ListFormat API creates a locale-aware formatter that turns iterable objects into localized strings.
2020
2 featuresThe Intl.Locale API parses Unicode locale identifiers, with language, region, and script codes, such as zh-Hans-CN or en-GB.
The Intl.RelativeTimeFormat API creates a locale-aware formatter that turns an object representing a relative time (such as '1 day ago') into a localized string.
2019
1 featuresThe Intl.PluralRules API creates a locale-aware object that tells you which of the language's pluralization rules apply based on a given number.
2017
1 featuresThe Intl API provides language sensitive string comparison, number formatting, date and time formatting, and more.