NamedNodeMap: removeNamedItemNS() 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 removeNamedItemNS() method of the NamedNodeMap interface
removes the Attr corresponding to the given namespace and local name from the map.
Syntax
js
removeNamedItemNS(namespace, localName)
Parameters
Return value
The removed Attr.
Exceptions
NotFoundErrorDOMException-
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;
Specifications
| Specification |
|---|
| DOM # dom-namednodemap-removenameditemns |
Browser compatibility
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