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XML DOM | Element Object removeAttributeNode Method

XML DOM - Element Object removeAttributeNode Method


Hello folks! welcome back to a new edition of our tutorial on XML DOM. In this tutorial guide, we will be discussing about the XML DOM Element Object removeAttributeNode Method.

The removeAttributeNode Method specifies the attribute node that is removed from the element.

Syntax

The following below is the syntax to use the removeAttributeNode method -

elementObj.removeAttributeNode(oldAttr)

Parameter Details

S.No.Parameter & Description
1

oldAttr

It removes the specified attribute value from the attribute list.


Return Value

This method removes the attribute node.

Example

Following 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>Justice</FirstName>
      <LastName>Douglas</LastName>
      <ContactNo>1234667898</ContactNo>
      <Email>justicedauglas@xyz.com</Email>
   </Employee>
   
   <Employee category = "Management">
      <FirstName>Stephanie</FirstName>
      <LastName>Francis</LastName>
      <ContactNo>1234562350</ContactNo>
      <Email>stephaniefrancis@xyz.com</Email>
   </Employee>
</Company>


The following example illustrates the usage of the Element Object removeAttributeNode method -

<!DOCTYPE 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.xml");

         x = xmlDoc.getElementsByTagName('Employee');
         for (i = 0;i < x.length;i++) {
            while (x[i].attributes.length > 0) {
               y = x[i].attributes[0];
               z = x[i].removeAttributeNode(y);

               document.write("Removed : " + z.nodeName)
               document.write(": " + z.nodeValue)
               document.write("<br>")
            }
          }
      </script>
   </body>
</html>

Output

Save this file as elementmethod_removeattributenode.html on the server's path (this file and node.xml should be on the same path in your server). This is going to give us the following output below -

Removed : category: technical
Removed : category: non-technical
Removed : category: Management


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 the Element Object setAttribute Method.

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