Web platform features explorer - abs() and sign()

Web platform features explorer

The abs() and sign() CSS functions compute the absolute value or the sign of the input.

Status

Limited availability

MDN documentation

abs()
sign()

Specifications

CSS Values and Units Module Level 4 (#sign-funcs), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome ❌
Chrome Android ❌
Edge ❌
Firefox 118 Released on 2023-09-26
Firefox for Android 118 Released on 2023-09-26
Safari 15.4 Released on 2022-03-14
Safari on iOS 15.4 Released on 2022-03-14

Developer signals

State of CSS 2025: features/all_features question
State of CSS 2024: features/all_features question

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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