diff --git a/src/ajax.js b/src/ajax.js
index 3158ca44a..4c3f1dd53 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -73,7 +73,7 @@ function addToPrefiltersOrTransports( structure ) {
 }
 
 //Base inspection function for prefilters and transports
-function inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR,
+function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR,
 		dataType /* internal */, inspected /* internal */ ) {
 
 	dataType = dataType || options.dataTypes[ 0 ];
@@ -88,7 +88,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jXH
 		selection;
 
 	for(; i < length && ( executeOnly || !selection ); i++ ) {
-		selection = list[ i ]( options, originalOptions, jXHR );
+		selection = list[ i ]( options, originalOptions, jqXHR );
 		// If we got redirected to another dataType
 		// we try there if not done already
 		if ( typeof selection === "string" ) {
@@ -97,7 +97,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jXH
 			} else {
 				options.dataTypes.unshift( selection );
 				selection = inspectPrefiltersOrTransports(
-						structure, options, originalOptions, jXHR, selection, inspected );
+						structure, options, originalOptions, jqXHR, selection, inspected );
 			}
 		}
 	}
@@ -105,7 +105,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jXH
 	// we try the catchall dataType if not done already
 	if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) {
 		selection = inspectPrefiltersOrTransports(
-				structure, options, originalOptions, jXHR, "*", inspected );
+				structure, options, originalOptions, jqXHR, "*", inspected );
 	}
 	// unnecessary when only executing (prefilters)
 	// but it'll be ignored by the caller in that case
@@ -155,14 +155,14 @@ jQuery.fn.extend({
 			dataType: "html",
 			data: params,
 			// Complete callback (responseText is used internally)
-			complete: function( jXHR, status, responseText ) {
-				// Store the response as specified by the jXHR object
-				responseText = jXHR.responseText;
+			complete: function( jqXHR, status, responseText ) {
+				// Store the response as specified by the jqXHR object
+				responseText = jqXHR.responseText;
 				// If successful, inject the HTML into all the matched elements
-				if ( jXHR.isResolved() ) {
+				if ( jqXHR.isResolved() ) {
 					// #4825: Get the actual response in case
 					// a dataFilter is present in ajaxSettings
-					jXHR.done(function( r ) {
+					jqXHR.done(function( r ) {
 						responseText = r;
 					});
 					// See if a selector was specified
@@ -181,7 +181,7 @@ jQuery.fn.extend({
 				}
 
 				if ( callback ) {
-					self.each( callback, [ responseText, status, jXHR ] );
+					self.each( callback, [ responseText, status, jqXHR ] );
 				}
 			}
 		});
@@ -364,12 +364,12 @@ jQuery.extend({
 			loc = document.location,
 			protocol = loc.protocol || "http:",
 			parts,
-			// The jXHR state
+			// The jqXHR state
 			state = 0,
 			// Loop variable
 			i,
 			// Fake xhr
-			jXHR = {
+			jqXHR = {
 
 				readyState: 0,
 
@@ -431,19 +431,19 @@ jQuery.extend({
 			}
 
 			// Dereference transport for early garbage collection
-			// (no matter how long the jXHR object will be used)
+			// (no matter how long the jqXHR object will be used)
 			transport = undefined;
 
 			// Cache response headers
 			responseHeadersString = headers || "";
 
 			// Set readyState
-			jXHR.readyState = status ? 4 : 0;
+			jqXHR.readyState = status ? 4 : 0;
 
 			var isSuccess,
 				success,
 				error,
-				response = responses ? ajaxHandleResponses( s, jXHR, responses ) : undefined,
+				response = responses ? ajaxHandleResponses( s, jqXHR, responses ) : undefined,
 				lastModified,
 				etag;
 
@@ -453,10 +453,10 @@ jQuery.extend({
 				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
 				if ( s.ifModified ) {
 
-					if ( ( lastModified = jXHR.getResponseHeader( "Last-Modified" ) ) ) {
+					if ( ( lastModified = jqXHR.getResponseHeader( "Last-Modified" ) ) ) {
 						jQuery.lastModified[ ifModifiedKey ] = lastModified;
 					}
-					if ( ( etag = jXHR.getResponseHeader( "Etag" ) ) ) {
+					if ( ( etag = jqXHR.getResponseHeader( "Etag" ) ) ) {
 						jQuery.etag[ ifModifiedKey ] = etag;
 					}
 				}
@@ -493,30 +493,30 @@ jQuery.extend({
 			}
 
 			// Set data for the fake xhr object
-			jXHR.status = status;
-			jXHR.statusText = statusText;
+			jqXHR.status = status;
+			jqXHR.statusText = statusText;
 
 			// Success/Error
 			if ( isSuccess ) {
-				deferred.resolveWith( callbackContext, [ success, statusText, jXHR ] );
+				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
 			} else {
-				deferred.rejectWith( callbackContext, [ jXHR, statusText, error ] );
+				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
 			}
 
 			// Status-dependent callbacks
-			jXHR.statusCode( statusCode );
+			jqXHR.statusCode( statusCode );
 			statusCode = undefined;
 
 			if ( s.global ) {
 				globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
-						[ jXHR, s, isSuccess ? success : error ] );
+						[ jqXHR, s, isSuccess ? success : error ] );
 			}
 
 			// Complete
-			completeDeferred.resolveWith( callbackContext, [ jXHR, statusText ] );
+			completeDeferred.resolveWith( callbackContext, [ jqXHR, statusText ] );
 
 			if ( s.global ) {
-				globalEventContext.trigger( "ajaxComplete", [ jXHR, s] );
+				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s] );
 				// Handle the global AJAX counter
 				if ( !( --jQuery.active ) ) {
 					jQuery.event.trigger( "ajaxStop" );
@@ -525,13 +525,13 @@ jQuery.extend({
 		}
 
 		// Attach deferreds
-		deferred.promise( jXHR );
-		jXHR.success = jXHR.done;
-		jXHR.error = jXHR.fail;
-		jXHR.complete = completeDeferred.done;
+		deferred.promise( jqXHR );
+		jqXHR.success = jqXHR.done;
+		jqXHR.error = jqXHR.fail;
+		jqXHR.complete = completeDeferred.done;
 
 		// Status-dependent callbacks
-		jXHR.statusCode = function( map ) {
+		jqXHR.statusCode = function( map ) {
 			if ( map ) {
 				var tmp;
 				if ( state < 2 ) {
@@ -539,8 +539,8 @@ jQuery.extend({
 						statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ];
 					}
 				} else {
-					tmp = map[ jXHR.status ];
-					jXHR.then( tmp, tmp );
+					tmp = map[ jqXHR.status ];
+					jqXHR.then( tmp, tmp );
 				}
 			}
 			return this;
@@ -570,7 +570,7 @@ jQuery.extend({
 		}
 
 		// Apply prefilters
-		inspectPrefiltersOrTransports( prefilters, s, options, jXHR );
+		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
 
 		// Uppercase the type
 		s.type = s.type.toUpperCase();
@@ -633,36 +633,36 @@ jQuery.extend({
 		}
 
 		// Allow custom headers/mimetypes and early abort
-		if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jXHR, s ) === false || state === 2 ) ) {
+		if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
 				// Abort if not done already
 				done( 0, "abort" );
 				// Return false
-				jXHR = false;
+				jqXHR = false;
 
 		} else {
 
 			// Install callbacks on deferreds
 			for ( i in { success: 1, error: 1, complete: 1 } ) {
-				jXHR[ i ]( s[ i ] );
+				jqXHR[ i ]( s[ i ] );
 			}
 
 			// Get transport
-			transport = inspectPrefiltersOrTransports( transports, s, options, jXHR );
+			transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
 
 			// If no transport, we auto-abort
 			if ( !transport ) {
 				done( -1, "No Transport" );
 			} else {
 				// Set state as sending
-				state = jXHR.readyState = 1;
+				state = jqXHR.readyState = 1;
 				// Send global event
 				if ( s.global ) {
-					globalEventContext.trigger( "ajaxSend", [ jXHR, s ] );
+					globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
 				}
 				// Timeout
 				if ( s.async && s.timeout > 0 ) {
 					timeoutTimer = setTimeout( function(){
-						jXHR.abort( "timeout" );
+						jqXHR.abort( "timeout" );
 					}, s.timeout );
 				}
 
@@ -679,7 +679,7 @@ jQuery.extend({
 				}
 			}
 		}
-		return jXHR;
+		return jqXHR;
 	},
 
 	// Serialize an array of form elements or a set of
@@ -774,7 +774,7 @@ jQuery.extend({
  * - finds the right dataType (mediates between content-type and expected dataType)
  * - returns the corresponding response
  */
-function ajaxHandleResponses( s, jXHR, responses ) {
+function ajaxHandleResponses( s, jqXHR, responses ) {
 
 	var contents = s.contents,
 		dataTypes = s.dataTypes,
@@ -787,7 +787,7 @@ function ajaxHandleResponses( s, jXHR, responses ) {
 	// Fill responseXXX fields
 	for( type in responseFields ) {
 		if ( type in responses ) {
-			jXHR[ responseFields[type] ] = responses[ type ];
+			jqXHR[ responseFields[type] ] = responses[ type ];
 		}
 	}
 
@@ -795,7 +795,7 @@ function ajaxHandleResponses( s, jXHR, responses ) {
 	while( dataTypes[ 0 ] === "*" ) {
 		dataTypes.shift();
 		if ( ct === undefined ) {
-			ct = jXHR.getResponseHeader( "content-type" );
+			ct = jqXHR.getResponseHeader( "content-type" );
 		}
 	}
 
diff --git a/src/ajax/jsonp.js b/src/ajax/jsonp.js
index ebc660fba..2691591d2 100644
--- a/src/ajax/jsonp.js
+++ b/src/ajax/jsonp.js
@@ -12,7 +12,7 @@ jQuery.ajaxSetup({
 });
 
 // Detect, normalize options and install callbacks for jsonp requests
-jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jXHR ) {
+jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 
 	var dataIsString = ( typeof s.data === "string" );
 
@@ -60,7 +60,7 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jXHR ) {
 		};
 
 		// Install cleanUp function
-		jXHR.then( cleanUp, cleanUp );
+		jqXHR.then( cleanUp, cleanUp );
 
 		// Use data converter to retrieve json after script execution
 		s.converters["script json"] = function() {
diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index b51419d97..304183475 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -311,7 +311,7 @@ test("jQuery.ajax() - responseText on error", function() {
 	jQuery.ajax({
 		url: url("data/errorWithText.php"),
 		error: function(xhr) {
-			strictEqual( xhr.responseText , "plain text message" , "Test jXHR.responseText is filled for HTTP errors" );
+			strictEqual( xhr.responseText , "plain text message" , "Test jqXHR.responseText is filled for HTTP errors" );
 		},
 		complete: function() {
 			start();
@@ -1218,9 +1218,9 @@ test("jQuery.get(String, Hash, Function) - parse xml and use text() on nodes", f
 test("jQuery.getScript(String, Function) - with callback", function() {
 	expect(3);
 	stop();
-	jQuery.getScript(url("data/test.js"), function( data, _, jXHR ) {
+	jQuery.getScript(url("data/test.js"), function( data, _, jqXHR ) {
 		equals( foobar, "bar", 'Check if script was evaluated' );
-		strictEqual( data, jXHR.responseText, "Same-domain script requests returns the source of the script (#8082)" );
+		strictEqual( data, jqXHR.responseText, "Same-domain script requests returns the source of the script (#8082)" );
 		setTimeout(start, 100);
 	});
 });
@@ -1394,8 +1394,8 @@ jQuery.each( [ "Same Domain", "Cross Domain" ] , function( crossDomain , label )
 					dataType: "jsonp",
 					crossDomain: crossDomain,
 					jsonpCallback: "functionToCleanUp",
-					beforeSend: function( jXHR ) {
-						xhr = jXHR;
+					beforeSend: function( jqXHR ) {
+						xhr = jqXHR;
 						return false;
 					}
 				});
@@ -2072,16 +2072,16 @@ test( "jQuery.ajax - statusCode" , function() {
 		}).statusCode( createStatusCodes( "immediately with method" , isSuccess ) );
 
 		jQuery.ajax( url( uri ) , {
-			complete: function(jXHR) {
-				jXHR.statusCode( createStatusCodes( "on complete" , isSuccess ) );
+			complete: function(jqXHR) {
+				jqXHR.statusCode( createStatusCodes( "on complete" , isSuccess ) );
 				countComplete();
 			}
 		});
 
 		jQuery.ajax( url( uri ) , {
-			complete: function(jXHR) {
+			complete: function(jqXHR) {
 				setTimeout( function() {
-					jXHR.statusCode( createStatusCodes( "very late binding" , isSuccess ) );
+					jqXHR.statusCode( createStatusCodes( "very late binding" , isSuccess ) );
 					countComplete();
 				} , 100 );
 			}
@@ -2089,10 +2089,10 @@ test( "jQuery.ajax - statusCode" , function() {
 
 		jQuery.ajax( url( uri ) , {
 			statusCode: createStatusCodes( "all (options)" , isSuccess ),
-			complete: function(jXHR) {
-				jXHR.statusCode( createStatusCodes( "all (on complete)" , isSuccess ) );
+			complete: function(jqXHR) {
+				jqXHR.statusCode( createStatusCodes( "all (on complete)" , isSuccess ) );
 				setTimeout( function() {
-					jXHR.statusCode( createStatusCodes( "all (very late binding)" , isSuccess ) );
+					jqXHR.statusCode( createStatusCodes( "all (very late binding)" , isSuccess ) );
 					countComplete();
 				} , 100 );
 			}
@@ -2101,22 +2101,22 @@ test( "jQuery.ajax - statusCode" , function() {
 		var testString = "";
 
 		jQuery.ajax( url( uri ), {
-			success: function( a , b , jXHR ) {
+			success: function( a , b , jqXHR ) {
 				ok( isSuccess , "success" );
 				var statusCode = {};
-				statusCode[ jXHR.status ] = function() {
+				statusCode[ jqXHR.status ] = function() {
 					testString += "B";
 				};
-				jXHR.statusCode( statusCode );
+				jqXHR.statusCode( statusCode );
 				testString += "A";
 			},
-			error: function( jXHR ) {
+			error: function( jqXHR ) {
 				ok( ! isSuccess , "error" );
 				var statusCode = {};
-				statusCode[ jXHR.status ] = function() {
+				statusCode[ jqXHR.status ] = function() {
 					testString += "B";
 				};
-				jXHR.statusCode( statusCode );
+				jqXHR.statusCode( statusCode );
 				testString += "A";
 			},
 			complete: function() {