Hi Everyone,
I am currently learning AJAX using the book "A Beginners Guide" By Steve Holzner and I am confused as to why a piece of code I've just written to test out what is in the book is not working. My code is below for the html page with the ajax script and also the xml document where the data is, could someone let me know where I have gone wrong? Thanks in advance
***html page
***xml document
I am currently learning AJAX using the book "A Beginners Guide" By Steve Holzner and I am confused as to why a piece of code I've just written to test out what is in the book is not working. My code is below for the html page with the ajax script and also the xml document where the data is, could someone let me know where I have gone wrong? Thanks in advance
***html page
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Getting the Document Element</title>
<script type="javascript">
function getDocumentElement()
{
var XMLHttpRequestObject = false;
if (window.XMLHttpRequest){
XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) {
XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}
if (XMLHttpRequestObject) {
XMLHttpRequestObject.open("GET", "party.xml", true);
XMLHttpRequestObject.onreadystatechange = function()
{
if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200){
var xmlDocument = XMLHttpRequestObject.responseXML;
var documentElement = xmlDocument.documentElement;
if(documentElement){
document.getElementById("targetDiv").innerHTML = "The document element is <" + documentElement.node + ">.";
}
}
}
XMLHttpRequestObject.send(null);
}
}
</script>
</head>
<body>
<h1>Getting the Document Element</h1>
<form>
<input type="button" value="Get the document element" onclick="getDocumentElement()" />
</form>
<div id="targetDiv" width =100 height=100>
The result will appear here.
</div>
</body>
</html>
Code:
<?xml version="1.0"> <!DOCTYPE parties [ <!ELEMENT parties (party*)> <!ELEMENT party (party_title, party_number, subject, date, people*)> <!ELEMENT party_title (#PCDATA)> <!ELEMENT party_number (#PCDATA)> <!ELEMENT subject (#PCDATA)> <!ELEMENT date (#PCDATA)> <!ELEMENT first_name (#PCDATA)> <!ELEMENT last_name (#PCDATA)> <!ELEMENT people (person*)> <!ELEMENT person (first_name,last_name)> <!ATTLIST party type CDATA #IMPLIED> <!ATTLIST person attendance CDATA #IMPLIED> ]> <parties> <party type="winter"> <party_title>Snow Day</party_title> <party_number>63</party_number> <subject>No School Today!</subject> <date>22/2/2012</date> <people> <person attendance="present"> <first_name>Andre</first_name> <last_name>Etienne</last_name> </person> <person attendance="absent"> <first_name>Simone</first_name> <last_name>Etienne</last_name> </person> <person attendance="present"> <first_name>Jason</first_name> <last_name>Etienne</last_name> </person> </people> </party> </parties>
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