NamedNodeMap: getNamedItemNS() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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
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}.`;
Specifications
| Specification |
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| DOM # dom-namednodemap-getnameditemns |
Browser compatibility
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getNamedItemNS
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- Full support
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