web-feature: Intl

baseline logo Widely available in browsers but not in WebViews

The Intl API provides language sensitive string comparison, number formatting, date and time formatting, and more.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-08

Servo

Android

2026-08

ArkWeb

HarmonyOS

*

Chrome Browser

Android

25

Safari Browser

iOS

10

Notes

Unsupported keys in WebViews

  • Android WebView:
    javascript.builtins.String.localeCompare.locales_parameter javascript.builtins.String.localeCompare.options_parameter

WebViews are not part of Baseline Baseline logo We do web-features computation using web-features-plus-webview

Know something we don't?

Is any of the above data outdated? Or do you want to add a new WebView to the list? Heads on to GitHub and edit the data file!

Edit this page on GitHub Report an issue on GitHub

Not comfortable with GitHub? Send us an email.

Please help us keeping this data updated

This feature was last updated on August 08, 2026.