NamedNodeMap: removeNamedItemNS() method
The removedNamedItemNS()
method of the NamedNodeMap
interface
removes the Attr
corresponding to the given namespace and local name from the map.
Syntax
js
removeNamedItem(namespace, localName)
Parameters
namespace
-
The namespace of the attribute to remove from the map
Warning:
namespace
is the URI of the namespace, not the prefix. localName
-
The local name of the attribute to remove from the map.
Return value
The removed Attr
.
Exceptions
NotFoundError
DOMException
-
Thrown if there is no attribute with the given namespace and local name.
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 attrMap = warning.attributes;
let result = `The 'ob:one' attribute initially contains '${attrMap["ob:one"].value}'.\n`;
result += "We remove it.\n\n";
attrMap.removeNamedItemNS("http://www.example.com/ob", "one");
result += attrMap["ob:one"]
? "And 'ob:one' still exists."
: "And 'ob:one' is no more to be found.";
pre.textContent = result;
Specification
Specification |
---|
DOM Standard # dom-namednodemap-removenameditemns |
Browser compatibility
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