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Editorial Team
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Asked: 2026-06-05T06:38:06+00:00

I have a simple HTML file, that gets data from the server and outputs

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I have a simple HTML file, that gets data from the server and outputs it:

<html>
    <head>
        <script type="text/javascript">
        var xmlhttp = new XMLHttpRequest();
        function startRequest() {
            xmlhttp.onreadystatechange = handleStateChange;
            xmlhttp.open("GET", "http://new-host-2.home/test.html", true);
            xmlhttp.send(null);
        }
        function handleStateChange() {
            if (xmlhttp.readyState == 4) {
                if (xmlhttp.status == 200) {
                    alert("The server replied with: ", xmlhttp.responseText);
                }
                else {
                    alert(xmlhttp.status);
                }
            }
        }
        </script>
    </head>
    <body>
        <form>
            <input type="button" value="Woooo" onclick="startRequest()"/>
        </form>
    </body>
</html>

The file that is on the server, test.html looks like this:

<h1>Data received!</h1>

I keep getting 0 as a status, despite the fact that in the console, it says everything is fine, and gives a 200 status. When I change if (xmlhttp.status == 200) to if (xmlhttp.status == 0), it just outputs The server replied with:. Why is this? Am I messing something up?
EDIT: It might just be my server, I’m gonna switch to a different one.
The Headers might be helpful:

Response Headers
Accept-Ranges   bytes
Connection  Keep-Alive
Content-Length  13
Content-Type    text/html
Date    Sat, 09 Jun 2012 14:17:11 GMT
Etag    "267749b-d-4c20a6d0ef180"
Keep-Alive  timeout=15, max=100
Last-Modified   Sat, 09 Jun 2012 13:52:22 GMT
Server  Apache/2.2.19 (Unix) DAV/2
Request Headers
Accept  text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding gzip, deflate
Accept-Language en-us,en;q=0.5
Connection  keep-alive
Host    new-host-2.home
Origin  null
User-Agent  Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:13.0) Gecko/20100101 Firefox/13.0
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1 Answer

  1. Editorial Team

    alert function only takes one parameter, you’re passing 2.

    Give this a shot:

    var xmlhttp = new XMLHttpRequest(); 
function startRequest() { 
    xmlhttp.onreadystatechange = function()
    {
        if (xmlhttp.readyState==4)
        {
            if(xmlhttp.status==200)
                alert("The server replied with: " + xmlhttp.responseText);
            else
                alert(xmlhttp.status);
        }
    }
    xmlhttp.open("GET", "http://new-host-2.home/test.html", true); 
    xmlhttp.send(); 
}

    If it still doesn’t work, it might be a security issue: http://www.daniweb.com/web-development/javascript-dhtml-ajax/threads/282972/why-am-i-getting-xmlhttprequest.status0

    If it works in Safari, then try removing the domain in your request to make the path relative. Firefox might be thinking that you’re attempting some cross-domain stuff.

    var xmlhttp = new XMLHttpRequest(); 
function startRequest() { 
    xmlhttp.onreadystatechange = function()
    {
        if (xmlhttp.readyState==4)
        {
            if(xmlhttp.status==200)
                alert("The server replied with: " + xmlhttp.responseText);
            else
                alert(xmlhttp.status);
        }
    }
    xmlhttp.open("GET", "/test.html", true); 
    xmlhttp.send(); 
}
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