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.
NamedNodeMap.getNamedItemNS()
Syntax
getNamedItemNS(namespace, localName);
Parameters
-
namespace
-
A string with the namespace URI of the desired attribute.
Warning:
namespace
is 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
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.getElementsByTagName("pre")[0]; const warning = doc.getElementsByTagName("warning")[0]; const attrMap = warning.attributes; pre.textContent = "The `ob:one` attribute contains: " + attrMap.getNamedItemNS("http://www.example.com/ob", "one").value + ".";
Specification
Specification |
---|
DOM Standard # dom-namednodemap-getnameditemns |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getNamedItemNS |
1
|
12
|
1
|
9
|
≤12.1
|
1
|
1
|
18
|
4
|
≤12.1
|
1
|
1.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/NamedNodeMap/getNamedItemNS