Header problem

[owerio]

Hello. I request header info of a file that is on my server via ajax call.

xmlhttp = new XMLHttpRequest();
xmlhttp.open("HEAD","http://www.example.com/ht.hmtl",true);
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4) {
alert(xmlhttp.getAllResponseHeaders())
}
}
xmlhttp.send(null)

I edit the html and execute the above code again but the same header response is sent by the server. Change isnt grabbed by the ajax call. Is it a server problem or am I doing sth wrong in the code?

Thanks in advance.

[gRoberts]

Ajax simply requests data like a browser. It can also cache the response.

try

xmlhttp = new XMLHttpRequest();
var url = "http://www.example.com/ht.hmtl" + new Date().getTime();
xmlhttp.open("HEAD",url,true);
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4) {
alert(xmlhttp.getAllResponseHeaders())
}
}
xmlhttp.send(null)

[owerio]

Oh God. Didnt know that. Thank you very much. It helped.