NamedNodeMap: getNamedItemNS() method

{{APIRef("DOM")}}

The getNamedItemNS() method of the {{domxref("NamedNodeMap")}} interface returns the {{domxref("Attr")}} corresponding to the given local name in the given namespace, or null if there is no corresponding attribute.

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 {{domxref("Attr")}} corresponding to the namespace and local name given in parameters, or null if none has been found.

Example

<pre></pre>

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}.`;

{{EmbedLiveSample("Example", "100%", 80)}}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}