Remove old try...catch for old FF

diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index d360f0edc8c8cd5061bfc60afbaeff2b0c59545f..927fb88d028952a4e681b909d399f5960c579c37 100644 (file)
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -90,59 +90,49 @@ if ( xhrSupported ) {
                                        callback = function( _, isAbort ) {
                                                var status, statusText, responses;
 
-                                               // Firefox throws exceptions when accessing properties
-                                               // of an xhr when a network error occurred
-                                               // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
-                                               try {
-
-                                                       // Was never called and is aborted or complete
-                                                       if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
-                                                               // Clean up
-                                                               delete xhrCallbacks[ id ];
-                                                               callback = undefined;
-                                                               xhr.onreadystatechange = jQuery.noop;
-
-                                                               // Abort manually if needed
-                                                               if ( isAbort ) {
-                                                                       if ( xhr.readyState !== 4 ) {
-                                                                               xhr.abort();
-                                                                       }
-                                                               } else {
-                                                                       responses = {};
-                                                                       status = xhr.status;
-
-                                                                       // Support: IE<10
-                                                                       // Accessing binary-data responseText throws an exception
-                                                                       // (#11426)
-                                                                       if ( typeof xhr.responseText === "string" ) {
-                                                                               responses.text = xhr.responseText;
-                                                                       }
-
-                                                                       // Firefox throws an exception when accessing
-                                                                       // statusText for faulty cross-domain requests
-                                                                       try {
-                                                                               statusText = xhr.statusText;
-                                                                       } catch( e ) {
-                                                                               // We normalize with Webkit giving an empty statusText
-                                                                               statusText = "";
-                                                                       }
-
-                                                                       // Filter status for non standard behaviors
-
-                                                                       // If the request is local and we have data: assume a success
-                                                                       // (success with no data won't get notified, that's the best we
-                                                                       // can do given current implementations)
-                                                                       if ( !status && options.isLocal && !options.crossDomain ) {
-                                                                               status = responses.text ? 200 : 404;
-                                                                       // IE - #1450: sometimes returns 1223 when it should be 204
-                                                                       } else if ( status === 1223 ) {
-                                                                               status = 204;
-                                                                       }
+                                               // Was never called and is aborted or complete
+                                               if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
+                                                       // Clean up
+                                                       delete xhrCallbacks[ id ];
+                                                       callback = undefined;
+                                                       xhr.onreadystatechange = jQuery.noop;
+
+                                                       // Abort manually if needed
+                                                       if ( isAbort ) {
+                                                               if ( xhr.readyState !== 4 ) {
+                                                                       xhr.abort();
+                                                               }
+                                                       } else {
+                                                               responses = {};
+                                                               status = xhr.status;
+
+                                                               // Support: IE<10
+                                                               // Accessing binary-data responseText throws an exception
+                                                               // (#11426)
+                                                               if ( typeof xhr.responseText === "string" ) {
+                                                                       responses.text = xhr.responseText;
+                                                               }
+
+                                                               // Firefox throws an exception when accessing
+                                                               // statusText for faulty cross-domain requests
+                                                               try {
+                                                                       statusText = xhr.statusText;
+                                                               } catch( e ) {
+                                                                       // We normalize with Webkit giving an empty statusText
+                                                                       statusText = "";
+                                                               }
+
+                                                               // Filter status for non standard behaviors
+
+                                                               // If the request is local and we have data: assume a success
+                                                               // (success with no data won't get notified, that's the best we
+                                                               // can do given current implementations)
+                                                               if ( !status && options.isLocal && !options.crossDomain ) {
+                                                                       status = responses.text ? 200 : 404;
+                                                               // IE - #1450: sometimes returns 1223 when it should be 204
+                                                               } else if ( status === 1223 ) {
+                                                                       status = 204;
                                                                }
-                                                       }
-                                               } catch( firefoxAccessException ) {
-                                                       if ( !isAbort ) {
-                                                               complete( -1, firefoxAccessException );
                                                        }
                                                }