SnEaKy
Erfahrenes Mitglied
HTML:
<html>
<head>
<title>Sascha visits Sarah</title>
<script type="text/javascript" language="javascript">
var http_request = false;
function macheRequest(url) {
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
return false;
}
http_request.open('GET', url, true);
http_request.onreadystatechange = alertInhalt;
http_request.send(null);
}
function alertInhalt() {
if (http_request.readyState == 4) {
var answer = http_request.responseText;
if(document.getElementById("inhalt").innerHTML != answer){
document.getElementById("inhalt").innerHTML = answer;
}
else{
document.getElementById("inhalt").innerHTML = "";
}
}
}
window.setInterval("macheRequest('sascha_visits_sarah.php')",1000);
</script>
</head>
<body>
<div id="inhalt">Lade..</div>
</body>
</html>
Warum wird der Request nicht jede Sekunde ausgeführt?