XML DOM | removeChild Method

XML DOM - removeChild 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 removeChild Method.

The XML DOM removeChild method is used to remove a specified child node from the current node.

Syntax

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

nodeObject.removeChild(Node oldChild)

Parameter Details

S.No.Parameter & Description
1

oldChild

Specifies child to be removed. It is of type Node.


Return Value

This method returns the removed node.

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 removeChild 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.xml");

         f1 = xmlDoc.documentElement;
         f2 = f1.childNodes[5];
         removedNode = f2.removeChild(f2.childNodes[5]);
         document.write("Removed node is : " + removedNode.nodeName);
      </script>
   </body>
</html>

Output

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

Removed node is : ContactNo


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 NodeList Object.

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