How to access http response headers

Question

<html>
<body>

<script src="something"></script>

<img src="something">


<script>
window.onload = function () {

//code logic here

}
</script>
</body>
</html>


I want to access the http response headers for all the http requests of this page so that I can determine their status.

such as response header for first script request and others subsequently.

In other words I want to count the no. of requests for which the response status was an error.

Have you considered just using something like Fiddler? – Mike Perrenoud Feb 28 '13 at 12:46 — Mike Perrenoud, Feb 28 '13 at 12:46

score 1 · Answer 1 · answered Feb 28 '13 at 12:47

1

try this:

var req = new XMLHttpRequest();
req.open('GET', document.location, false);
req.send(null);
var headers = req.getAllResponseHeaders().toLowerCase();
alert(headers);

answered Feb 28 '13 at 12:47

Engineer

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This will only give me response header for the document not all the response headers for all the requests. – Neeraj Feb 28 '13 at 12:57
all the response headers for all the requests?? – Engineer Feb 28 '13 at 12:58
1

– Neeraj Feb 28 '13 at 13:00
1

How about keeping this code in a function and calling it in places where you want to get the response? – Engineer Feb 28 '13 at 13:04

How to access http response headers

1 Answers1