Fixes #5856. Adds document protocol at the beginning of URLs without protocol (thanks go to skrings for the initial pull request). Simplifies cross-domain detection regexp and logic as a consequence. Also took the opportunity to remove an unused variable. Unit test added.

1 files changed, 12 insertions, 0 deletions

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index abe90c88e..2624b5583 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -415,6 +415,18 @@ test(".ajax() - contentType" , function() {
 
 });
 
+test(".ajax() - protocol-less urls", function() {
+	expect(1);
+
+	jQuery.ajax({
+		url: "//somedomain.com",
+		beforeSend: function( xhr, settings ) {
+			equals(settings.url, location.protocol + "//somedomain.com", "Make sure that the protocol is added.");
+			return false;
+		}
+	});
+});
+
 test(".ajax() - hash", function() {
 	expect(3);