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Editorial Team
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Asked: 2026-05-22T22:12:55+00:00

i’m trying to get information from a remote server on my local machine. readyState

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i’m trying to get information from a remote server on my local machine.
readyState has no problem, i.e. ==4. however, status is always 0(instead of 200)
when I hit the button, it returns nothing.

here is the code,:

<html>
<head>
<script type="text/javascript">
function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET",'http://www.spartanbook.com/textbooks_xml.asp?control=campus&campus=45&term=80',true);
xmlhttp.send();
}
</script>
</head>
<body>

<div id="myDiv"><h2>Let AJAX change this text</h2></div>
<button type="button" onclick="loadXMLDoc()">Change Content</button>

</body>
</html>

It’s basically from w3shcools. simply replaced the url.
the url I’m using is working when I paste it into address bar of my browser.

Any idea?
Thanks!!

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1 Answer

  1. Editorial Team

    Check that you are not making a cross domain request.

    If for example you are not serving this page from http://www.spartanbook.com then the expected result would be access denied, which oddly enough gives a readyState of 4, but a status of 0.

    If you need to make a cross domain request, then you need to use a proxy.

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