CSSNamespaceRule

The CSSNamespaceRule interface describes an object representing a single CSS @namespace at-rule.

Properties

Inherits methods from its ancestor CSSRule.

CSSNamespaceRule.namespaceURI

Returns a DOMString containing the text of the URI of the given namespace.

CSSNamespaceRule.prefix

Returns a DOMString with the name of the prefix associated to this namespace. If there is no such prefix, returns an empty string.

Methods

Inherits methods from its ancestor CSSRule.

Examples

The stylesheet includes a namespace as the only rule. Therefore the first CSSRule returned will be a CSSNamespaceRule.

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

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

Specifications

Browser compatibility