Fixes #4897. Added ?? as a context-insensitive placeholder for the callback name of a JSONP request. Unit tests provided.

2 files changed, 59 insertions, 2 deletions

diff --git a/test/data/jsonp.php b/test/data/jsonp.php
index 9ae1d8487..6c13d72e9 100644
--- a/test/data/jsonp.php
+++ b/test/data/jsonp.php
@@ -1,6 +1,10 @@
 <?php
 error_reporting(0);
 $callback = $_REQUEST['callback'];
+if ( ! $callback ) {
+	$callback = explode("?",end(explode("/",$_SERVER['REQUEST_URI'])));
+	$callback = $callback[0];
+}
 $json = $_REQUEST['json'];
 if($json) {
 	echo $callback . '([ {"name": "John", "age": 21}, {"name": "Peter", "age": 25 } ])';
diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 4162d585a..10c2e7183 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -1115,10 +1115,10 @@ test("jQuery.getScript(String, Function) - no callback", function() {
 });
 
 test("jQuery.ajax() - JSONP, Local", function() {
-	expect(10);
+	expect(14);
 
 	var count = 0;
-	function plus(){ if ( ++count == 10 ) start(); }
+	function plus(){ if ( ++count == 14 ) start(); }
 
 	stop();
 
@@ -1163,6 +1163,59 @@ test("jQuery.ajax() - JSONP, Local", function() {
 	});
 
 	jQuery.ajax({
+		url: "data/jsonp.php?callback=??",
+		dataType: "jsonp",
+		success: function(data){
+			ok( data.data, "JSON results returned (GET, url context-free callback)" );
+			plus();
+		},
+		error: function(data){
+			ok( false, "Ajax error JSON (GET, url context-free callback)" );
+			plus();
+		}
+	});
+
+	jQuery.ajax({
+		url: "data/jsonp.php",
+		dataType: "jsonp",
+		data: "callback=??",
+		success: function(data){
+			ok( data.data, "JSON results returned (GET, data context-free callback)" );
+			plus();
+		},
+		error: function(data){
+			ok( false, "Ajax error JSON (GET, data context-free callback)" );
+			plus();
+		}
+	});
+
+	jQuery.ajax({
+		url: "data/jsonp.php/??",
+		dataType: "jsonp",
+		success: function(data){
+			ok( data.data, "JSON results returned (GET, REST-like)" );
+			plus();
+		},
+		error: function(data){
+			ok( false, "Ajax error JSON (GET, REST-like)" );
+			plus();
+		}
+	});
+
+	jQuery.ajax({
+		url: "data/jsonp.php/???json=1",
+		dataType: "jsonp",
+		success: function(data){
+			strictEqual( jQuery.type(data), "array", "JSON results returned (GET, REST-like with param)" );
+			plus();
+		},
+		error: function(data){
+			ok( false, "Ajax error JSON (GET, REST-like with param)" );
+			plus();
+		}
+	});
+
+	jQuery.ajax({
 		url: "data/jsonp.php",
 		dataType: "jsonp",
 		data: {