Answers for "$.ajax request header"

pass header in ajax

$.ajax({
    url: "/test",
    headers: {"X-Test-Header": "test-value"}
});

ajax add header

$.ajax({
  type: "POST",
  beforeSend: function(request) {
    request.setRequestHeader("Authority", authorizationToken);
  },
  url: "entities",
  data: "json=" + escape(JSON.stringify(createRequestObject)),
  processData: false,
  success: function(msg) {
    $("#results").append("The result =" + StringifyPretty(msg));
  }
});

jquery get request with headers

$.ajax({
         url: "http://localhost/myawsomecode/",
         data: { param1: 'anyvalue', param2: 'othervalue' },
         type: "GET",
         beforeSend: function(xhr){xhr.setRequestHeader('X-Test-Header', 'SetHereYourValueForTheHeader');},
         success: function() { alert('Success!'); }
      });