CSSNamespaceRule

{{APIRef("CSSOM")}}

The CSSNamespaceRule interface describes an object representing a single CSS {{ cssxref("@namespace") }} at-rule.

{{InheritanceDiagram}}

Instance properties

Inherits properties from its ancestor {{domxref("CSSRule")}}.

• {{domxref("CSSNamespaceRule.namespaceURI")}}
  • : Returns a string containing the text of the URI of the given namespace.
• {{domxref("CSSNamespaceRule.prefix")}}
  • : Returns a string with the name of the prefix associated to this namespace. If there is no such prefix, returns an empty string.

Instance methods

Inherits methods from its ancestor {{domxref("CSSRule")}}.

Examples

The stylesheet includes a namespace as the only rule. Therefore the first {{domxref("CSSRule")}} returned will be a CSSNamespaceRule.

@namespace url("http://www.w3.org/1999/xhtml");

const myRules = document.styleSheets[0].cssRules;
console.log(myRules[0]); // A CSSNamespaceRule

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}