DOM - Element Object Method - getAttributeNodeNS


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The method getAttributeNodeNS retrieves an Attr node by the local name and the namespace URI.

Syntax

Following is the syntax for the usage of the getAttributeNodeNS method.

elementObj.getAttributeNodeNS(namespace,nodeName)

S.No. Parameter & Description
1

namespace

Is a string specifying the namespace of the attribute.

2

nodeName

Is a string specifying the name of the attribute.

It returns an Attr node for specified attribute.

Example

node_ns.xml contents are as below −

<?xml version = "1.0"?>
<Company>
   <Employee xmlns:e = "http://www.tutorials.com/technical/" category = "technical">
      <e:FirstName   e:lang = "en">Tanmay</e:FirstName>
      <e:LastName>Patil</e:LastName>
      <e:ContactNo>1234567890</e:ContactNo>
      <e:Email>tanmaypatil@xyz.com</e:Email>
   </Employee>
   
   <Employee xmlns:n = "http://www.tutorials.com/non-technical/" category = "non-technical">
      <n:FirstName n:lang = "en">Taniya</n:FirstName>
      <n:LastName>Mishra</n:LastName>
      <n:ContactNo>1234667898</n:ContactNo>
      <n:Email>taniyamishra@xyz.com</n:Email>
   </Employee>
</Company>

Following example demonstrates the usage of the getAttributeNodeNS 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");
         x = xmlDoc.getElementsByTagName("FirstName")[0];
         ns="http://www.tutorials.com/technical/";
         var attributenodens = x.getAttributeNodeNS(ns,"lang")
         document.write("nodename: "+attributenodens.nodeName);
         document.write("<br>nodevalue: "+attributenodens.nodeValue);
      </script>
   </body>
</html>

Execution

Save this file as elementattribute_getAttributeNodeNS.htm on the server path (this file and node_ns.xml should be on the same path in your server). We will get the output as shown below −

nodename: e:lang
nodevalue: en
dom_element_object.htm

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