Hello folks! welcome back to a new edition of our tutorial on XML DOM. In this tutorial, we will be discussing about the XML DOM Element Object getElementsByTagName Method.
The getElementsByTagName Method gives the value of the specified element.
The getElementsByTagName Method gives the value of the specified element.
Syntax
The following below is the syntax to use the getElementsByTagName method -
elementObj.getElementsByTagName(name)
Parameter Details
| S.No. | Parameter & Description |
|---|---|
| 1 | Name It holds the name of the attribute to retrieve. |
Return Value
This XML DOM method returns the name of the tag.
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> </Company>
The following example illustrates the usage of Element Object getElementsByTagName method -
<!DOCTYPE html> <html> <body> <div> <b>FirstName:</b> <span id = "FirstName"></span> <b>LastName:</b> <span id = "LastName"></span> <b>Category:</b> <span id = "Employee"></span> </div> <script> if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.open("GET","/dom/node.xml",false); xmlhttp.send(); xmlDoc = xmlhttp.responseXML; document.getElementById("FirstName").innerHTML= xmlDoc.getElementsByTagName("FirstName")[0].childNodes[0].nodeValue; document.getElementById("LastName").innerHTML= xmlDoc.getElementsByTagName("LastName")[0].childNodes[0].nodeValue; document.getElementById("Employee").innerHTML= xmlDoc.getElementsByTagName("Employee")[0].attributes[0].nodeValue; </script> </body> </html>
Output
Save this file as elementmethod_getelementsbytagname.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 -
FirstName: Kennedy LastName: Nkpara Category: technical
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 getElementsByTagNameNS Method.
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Feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.