[SOLVED] Firefox getResponseHeader Alternative

[sazzie]

Hi everyone,

I was looking for a way to get my ajax application to responde differently to text and XML in my javascript code.

I found "getResponseHeader" which gets the content-type header. You can then compare against strings to see if its xml or html output, as below :

[code][color=red]
var cType = this.getResponseHeader("Content-Type");
alert("Content-Type : "+cType);
if (cType == "text/xml")
{
                                // act on XML output
}
else if (cType == "text/html")
{
//act on html page
}
else
alert("This Sucks! : "+cType);[/color][/code]

The problem is, "getResponseHeader" doesn't seem to be suported by firefox.

Does anyone know of a work around?

[tomfmason]

getResponseHeader is supported in FF.. Just not in the way that you are trying to use it.. It is supposed to be used within an XMLHTTPRequest..

Here is an example that worked fine in FF..

http is my function were I create the XMLHTTPRequest instance..
[code]
function sendRequest() {
http.abort();
http.open('POST', 'includes/process.php?action=getTime');
http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
http.send('do=getTime');
http.onreadystatechange = handleRequest;
    setTimeout('sendRequest()', 1000);
}

function handleRequest() {
if (http.readyState == 4) {
var response = http.responseText;
document.getElementById('time').innerHTML = response;
                //in this case it will alert text/html
alert(http.getResponseHeader('Content-Type'));
}
}
[/code]

I don't think that you can use it out side of a XMLHTTPRequest..


Good Luck,
Tom

[sazzie]

Thank you very much Tom. That works now.

I never noticed I wasn't using the RMLHttpRequest object - it was a piece of code I lifted from the internet
as I was experienting with potential solutions to my problem at the time.

Thanks again.  ;)