This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
The CSSNamespaceRule
interface describes an object representing a single CSS @namespace
at-rule. It implements the CSSRule
interface, with a type value of 10
(CSSRule.NAMESPACE_RULE
).
SyntaxEdit
The syntax is described using the WebIDL format.
interface CSSNamespaceRule : CSSRule {
readonly attribute DOMString namespaceURI;
readonly attribute DOMString? prefix;
};
PropertiesEdit
As a CSSRule
, CSSNamespaceRule
also implements the properties of that interface. It has some specific properties:
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, returnsnull
.
MethodsEdit
As a CSSRule
, CSSNamespaceRule
also implements the methods of that interface. It has no specific methods:
SpecificationEdit
Specification | Status | Comment |
---|---|---|
CSS Object Model (CSSOM) The definition of 'CSSNamespaceRule' in that specification. |
Working Draft | Initial definition. |