AJAX is used for interactive communication with an XML file. Website may provide information from an XML file using AJAX search technology, if you select an item in a list box.

Select a CD:

TITLE: One night only
ARTIST: Bee Gees
COUNTRY: UK
COMPANY: Polydor
PRICE: 10.90
YEAR: 1998

This is the JavaScript code stored in the file "selectcd.js":

[code]
var xmlhttp
function showCD(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
{
alert ("Your browser does not support AJAX!");
return;
}
var url="getcd.php";

AJAX can be used for interactive communication with an XML file. A web page can fetch information from an XML file with AJAX technology, e.g when you select an item from a dropdown box.

TITLE: One night only
ARTIST: Bee Gees
COUNTRY: UK
COMPANY: Polydor
PRICE: 10.90
YEAR: 1998

The PHP script loads an XML document, "cd_catalog.xml", runs a query against the XML file, and returns the result as HTML:

[code]

<?php
$q=$_GET["q"];
$xmlDoc = new DOMDocument();
$xmlDoc->load("cd_catalog.xml");
$x=$xmlDoc->getElementsByTagName('ARTIST');