Skip to main content

Apple Developer Docs

Fonts Symbols

WebKit JS / CSSNamespaceRule

Contents

Declaration
Topics

CSSNamespaceRule

Declaration

interface CSSNamespaceRule

Topics

Instance Properties

namespaceURI
prefix

Relationships

Inherits From

CSSRule

Open on developer.apple.com

WebKit JSClass

safari desktop 10.1+safari mobile 10.1+

Declaration
Topics

Relationships

Inherits From

CSSRule

Built on 2026-05-07