XMLHttpRequest getAllResponseHeaders() Method
Complete XMLHttpRequest Object Reference
Definition and Usage
The getAllResponseHeaders() method gets a string containing all response
headers of the XMLHttpRequest object.
A response header contains file information like length, server-type,
content-type, date-modified, etc.
Syntax
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xmlHttp.getAllResponseHeaders() |
Example
The following code outputs all response headers in a HTML element with
id="headers":
Example
<html>
<body>
<span id="headers"></span>
<script type="text/javascript">
xmlhttp=null;
if (window.XMLHttpRequest)
{// code for Firefox, Mozilla, IE7, etc.
xmlhttp=new XMLHttpRequest();
}
else if (window.ActiveXObject)
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
if (xmlhttp!=null)
{
xmlhttp.onreadystatechange = function()
{
if(xmlhttp.readyState == 4)
{
x=xmlhttp.getAllResponseHeaders();
document.getElementById("headers").innerHTML=x;
}
}
xmlhttp.open("GET", "note.xml", true);
xmlhttp.send(null);
}
else
{
alert("Your browser does not support XMLHTTP.");
}
</script>
</body>
</html>
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Output should be something like this (browser dependant):
Content-Length: 195 Content-Type: text/xml
ETag: "b34ba3751251c81:4cd" X-Powered-By: ASP.NET
MicrosoftOfficeWebServer: 5.0_Pub
Last-Modified: Mon, 07 Jan 2008 09:48:30 GMT
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Try it yourself »
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Complete XMLHttpRequest Object Reference
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