NamedNodeMap: getNamedItemNS() method
The getNamedItemNS() method of the NamedNodeMap interface returns the Attr corresponding to the given local name in the given namespace, or null if there is no corresponding attribute.
Syntax
js
getNamedItemNS(namespace, localName)
Parameters
namespace-
A string with the namespace URI of the desired attribute.
Warning:
namespaceis the URI of the namespace, not the prefix. localName-
A string with the localName of the desired attribute.
Return value
An Attr corresponding to the namespace and local name given in parameters, or null if none has been found.
Example
js
const parser = new DOMParser();
const xmlString =
'<warning ob:one="test" xmlns:ob="http://www.example.com/ob">Beware!</warning>';
const doc = parser.parseFromString(xmlString, "application/xml");
const pre = document.querySelector("pre");
const warning = doc.querySelector("warning");
const value = warning.attributes.getNamedItemNS(
"http://www.example.com/ob",
"one"
).value;
pre.textContent = `The 'ob:one' attribute contains: ${value}.`;
Specification
| Specification |
|---|
| DOM Standard # dom-namednodemap-getnameditemns |
Browser compatibility
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