NamedNodeMap.removeNamedItem()

The removeNamedItem() method of the NamedNodeMap interface removes the Attr corresponding to the given name from the map.

Syntax

removeNamedItem(attrName);

Parameters

attrName: The 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 name.

Example

<pre test="testValue"></pre>

const pre = document.getElementsByTagName("pre")[0];
const attrMap = pre.attributes;

let result = "The `test` attribute initially contains `" + attrMap["test"].value + "`.\n";

result += "We remove it.\n\n";
attrMap.removeNamedItem("test");

if (attrMap.getNamedItem("test")) {
  result += "And `test` still exists.";
}
else {
  result += "And `test` is no more to be found.";
}

pre.textContent = result;

Specification

Specification
DOM Standard # dom-namednodemap-removenameditem

Browser compatibility

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