my2cents » Firefox http://www.frightanic.com "The Earth was made round so that we would not see too far down the road" - Karen Blixen Sat, 04 Sep 2010 07:13:56 +0000 en hourly 1 http://wordpress.org/?v=3.0 How to send a HEAD request from Firefox http://www.frightanic.com/2010/02/08/how-to-send-a-head-request-from-firefox/ http://www.frightanic.com/2010/02/08/how-to-send-a-head-request-from-firefox/#comments Mon, 08 Feb 2010 00:11:51 +0000 frightanic http://www.frightanic.com/?p=453 Use the JavaScript console in Firebug and run the following script snippet:

var xmlhttp = new XMLHttpRequest();
xmlhttp.open("HEAD", "the_url",true); // Async HEAD request (relative path to avoid cross-domain restrictions)
xmlhttp.onreadystatechange=function() {
  if (xmlhttp.readyState==4) { // make sure the request is complete
    alert(xmlhttp.getAllResponseHeaders()) // display the headers
  }
}
xmlhttp.send(null); // send request
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