Web platform features explorer - CSS typed object model

Web platform features explorer

The CSSStyleValue and its subclasses represent CSS values as distinct types instead of only strings. Also known as typed OM.

Status

Limited availability

MDN documentation

CSS Typed Object Model API

Specifications

CSS Typed OM Level 1, from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome 66 Released on 2018-04-17
Chrome Android 66 Released on 2018-04-17
Edge 79 Released on 2020-01-15
Firefox ❌ See bugzil.la/1278697 Vendor position : positive
Firefox for Android ❌ See bugzil.la/1278697 Vendor position : positive
Safari 16.4 Released on 2023-03-27
Safari on iOS 16.4 Released on 2023-03-27

Baseline availability blocked since March 2023 by Firefox (28 months)

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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