How to pass header via AJAX?

Question

JavaScript

Good evening, how to correctly pass through the AJAX header?
I try like this
headers: {}
but I get an error

Refused to set unsafe header "origin"
jquery.min.js:4 Refused to set unsafe header "referer"
jquery.min.js:4 Refused to set unsafe header "User-Agent"

Answer 1

Header substitutions such as Referer, Origin, and others are prohibited by the XMLHttpRequest specification. The full list of headers prohibited from editing can be found in the specification itself: www.w3.org/TR/XMLHttpRequest/#dom-xmlhttprequest-s...

Answer 2

Use the beforeSend function of jQuery.ajax and set headers to the first xhr argument via the setRequestHeader function :

$.ajax({
         url: "http://localhost/PlatformPortal/Buyers/Account/SignIn",
         data: { signature: authHeader },
         type: "GET",
         beforeSend: function(xhr){xhr.setRequestHeader('X-Test-Header', 'test-value');},
         success: function() { alert('Success!' + authHeader); }
      });