Baseline Widely available
The read-only namespaceURI
property of the CSSNamespaceRule
returns a string containing the text of the URI of the given namespace.
A string containing a URI.
ExamplesThe stylesheet includes a namespace as the only rule. Therefore the first CSSRule
returned will be a CSSNamespaceRule
. The value of the namespaceURI
property will be http://www.w3.org/1999/xhtml
.
@namespace url("http://www.w3.org/1999/xhtml");
const myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].namespaceURI); // 'http://www.w3.org/1999/xhtml'
Specifications Browser compatibility
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4