Accessing the web page's HTTP Headers in JavaScript

Question

How do I access a page\'s HTTP response headers via JavaScript?

Related to this question, which was modified to ask about accessing two specific HTTP headers.

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Answer 1

If we're talking about Request headers, you can create your own headers when doing XmlHttpRequests.

var request = new XMLHttpRequest();
request.setRequestHeader("X-Requested-With", "XMLHttpRequest");
request.open("GET", path, true);
request.send(null);