XML DOM | getNamedItemNS Method

XML DOM - getNamedItemNS Method


Hello folks! welcome back to a new edition of our tutorial on XML DOM. In this tutorial, we are going to be studying about the XML DOM getNamedItemNS Method.

The XML DOM getNamedItemNS method is used to retrieve the node specified by local name and namespace URI.

Syntax

The following below is the syntax to use the getNamedItemNS Method -

nodemapObject.getNamedItemNS(namespaceURI, localName);

Parameter Details

S.No.Parameter & Description
1

namespaceURI

It is the namespaceURI of the node to retrieve. It is of type DOMString.

2

localName

It is the local name of the node to retrieve. It is of type DOMString.


Return Value

It returns the namespaceURI and the local name of the specified node or null if they do not have any value.

Example

Following below are the node.xml contents -

<?xml version = "1.0"?>
<Company>
   <Employee category = "Technical">
      <FirstName>Kennedy</FirstName>
      <LastName>Nkpara</LastName>
      <ContactNo>1234567890</ContactNo>
      <Email>kennedynkpara@xyz.com</Email>
   </Employee>
   
   <Employee category = "Non-Technical">
      <FirstName>Stephanie</FirstName>
      <LastName>Francis</LastName>
      <ContactNo>1234667898</ContactNo>
      <Email>stephaniefrancis@xyz.com</Email>
   </Employee>
   
   <Employee category = "Management">
      <FirstName>Justice</FirstName>
      <LastName>Dauglas</LastName>
      <ContactNo>1234562350</ContactNo>
      <Email>justicedauglas@xyz.com</Email>
   </Employee>
</Company>


The following example illustrates the usage of the getNamedItemNS method -

<!DOCTYPE html>
<html>
   <head>
      <script>
         function loadXMLDoc(filename) {
            if (window.XMLHttpRequest) {
               xhttp = new XMLHttpRequest();
            } else // code for IE5 and IE6 {
               xhttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            xhttp.open("GET",filename,false);
            xhttp.send();
            return xhttp.responseXML;
         }
      </script>
   </head>
   <body>
      <script>
         xmlDoc = loadXMLDoc("/dom/node_ns.xml");

         xmlDoc = xmlDoc.getElementsByTagName('e:FirstName')[0].attributes;
         document.write("Named Item Attribute node is :- ");
         document.write(xmlDoc.getNamedItemNS("http://www.webdesigntutorialz.com/technical/",'language').nodeName);
         document.write("<br>");

         document.write("Named Item Attribute value is :- ");
         document.write(xmlDoc.getNamedItemNS("http://www.webdesigntutorialz.com/technical/",'language').nodeValue);
      </script>
   </body>
</html>

Output

Save this file as namednodemapmethod_getnameditemns.html on the server path (this file and node.xml should be on the same path in your server). This gives us the following output below -

Named Item Attribute node is :- e:language
Named Item Attribute value is :- English


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about XML DOM NamedNodeMap item Method.

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