Internationalization API
- OTHERLocale-sensitive collation (string comparison), number formatting, and date and time formatting.
IE
- 5.5 - 10: Not supported
- 11: Supported
Edge
- 12 - 87: Supported
- 88: Supported
Firefox
- 2 - 28: Not supported
- 29 - 84: Supported
- 85: Supported
- 86 - 87: Supported
Chrome
- 4 - 23: Not supported
- 24 - 87: Supported
- 88: Supported
- 89 - 91: Supported
Safari
- 3.1 - 9.1: Not supported
- 10 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9 - 12.1: Not supported
- 15 - 72: Supported
- 73: Supported
iOS Safari
- 3.2 - 9.3: Not supported
- 10 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.3: Not supported
- 4.4 - 4.4.4: Supported
- 81: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 59: Supported
Chrome for Android
- 88: Supported
Firefox for Android
- 85: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Not supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Not supported
- Resources:
- The ECMAScript Internationalization API
- WebKit tracking bug
- Firefox for Android tracking bug
- Working With Intl
- MDN Web Docs - Internationalization
- Sub-features:
- Intl.PluralRules API