Tryit Editor v1.4

<html> <head> <script type="text/javascript" src="loadxmldoc.js"> </script> </head> <body> <script type="text/javascript"> xmlDoc=loadXMLDoc("books.xml"); x=xmlDoc.getElementsByTagName("title"); //add a new attribute to each title element for(i=0;i<x.length;i++) { x[i].setAttribute("edition","first"); } //Output title and edition value for (i=0;i<x.length;i++) { document.write(x[i].childNodes[0].nodeValue); document.write(" - Edition: "); document.write(x[i].getAttribute("edition")); document.write("<br />"); } </script> </body> </html> | Your Result:
Edit the code above and click to see the result. | W3Schools.com - Try it yourself