This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
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
).
Syntax
The syntax is described using the WebIDL format.
interface CSSNamespaceRule : CSSRule { readonly attribute DOMString namespaceURI; readonly attribute DOMString? prefix; };
Properties
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
.
Methods
As a CSSRule
, CSSNamespaceRule
also implements the methods of that interface. It has no specific methods:
Specification
Specification | Status | Comment |
---|---|---|
CSS Object Model (CSSOM) The definition of 'CSSNamespaceRule' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
CSSNamespaceRule | Chrome Full support 47 | Edge Full support ≤18 | Firefox Full support 59 | IE No support No | Opera Full support 36 | Safari Full support Yes | WebView Android Full support 47 | Chrome Android Full support 47 | Firefox Android Full support 59 | Opera Android Full support 36 | Safari iOS Full support Yes | Samsung Internet Android Full support 5.0 |
namespaceURI | Chrome Full support 47 | Edge Full support 12 | Firefox Full support 59 | IE No support No | Opera Full support 36 | Safari Full support Yes | WebView Android Full support 47 | Chrome Android Full support 47 | Firefox Android Full support 59 | Opera Android Full support 36 | Safari iOS Full support Yes | Samsung Internet Android Full support 5.0 |
prefix | Chrome Full support 47 | Edge Full support 12 | Firefox Full support 59 | IE No support No | Opera Full support 36 | Safari Full support Yes | WebView Android Full support 47 | Chrome Android Full support 47 | Firefox Android Full support 59 | Opera Android Full support 36 | Safari iOS Full support Yes | Samsung Internet Android Full support 5.0 |
Legend
- Full support
- Full support
- No support
- No support