Error by reading a xml file
Hello!
HTML Code:
<html>
<head>
<title> Test</title>
<script type="text/javascript" > <!--
var http = null;
if (window.XMLHttpRequest) {
http = new XMLHttpRequest();
} else if (window.ActiveXObject) {
http = new ActiveXObject("Microsoft.XMLHTTP");
}
window.onload = function() {
if (http != null) {
http.open("GET", "http://www.eucharistiefeier.de/lk/api/lkul00000000.xml", true);
http.onreadystatechange = ausgeben;
http.send(null);
}
}
function ausgeben() {
if (http.readyState == 4) {
var bible = document.getElementById("bible");
var daten = http.responseXML;
var ergebnisse = daten.getElementsByTagName("celebration");
for (var i = 0; i < ergebnisse.length; i++) {
var name, url;
var datum = ergebnisse[i];
for (var j = 0; j < datum.childNodes.length; j++) {
with (datum.childNodes[j]) {
if (nodeName == "l1") {
name = firstChild.nodeValue;
} else if (nodeName == "ev") {
url = firstChild.nodeValue;
}
}
}
var p = document.createElement("p");
var r1 = document.createTextNode("Die heutige Tageslesung ist: " + name);
p.appendChild(r1);
bible.appendChild(p);
}
}
}
//--> </script>
</head>
<body>
<ul id="bible" > </ul>
</body>
</html> LG
Uncaught TypeError: Cannot call method 'getElementsByTagName' of null
The error shold be in line 23, perhaps the problem is var http = null;
this is kind of a guess, but shouldn't that line be:
Code:
var ergebnisse = daten.documentElement.getElementsByTagName("celebration");
?
Code:
http.open("GET", "http://www .eucharistiefeier.de/lk/api/lkul00000000.xml", true);
AJAX can not, alone, make request cross domains. Even if that is your domain, the fact that the address is written as absolute will make some servers (like Apache) to consider it as a cross-domain request and will block it.
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