How to remove HTTP specific headers in Javascript

Question

Is it possible to, before sending a http message, remove some specific http headers using javascript / XmlHttpRequest ?

I\'m using a proprietary browser, so there\'s

Answer 1

When I use jquery-file-upload, and want to remove the header in the options method, setting it to null or '' doesn't work for me. I use this instead:

req.setRequestHeader("Authorization");