--- a/dom/webidl/DOMException.webidl
+++ b/dom/webidl/DOMException.webidl
@@ -14,22 +14,18 @@
 // This is the WebIDL version of nsIException.  This is mostly legacy stuff.
 
 interface StackFrame;
 
 [NoInterfaceObject,
  Exposed=(Window,Worker)]
 interface ExceptionMembers
 {
-  // A custom message set by the thrower.
-  readonly attribute DOMString               message;
   // The nsresult associated with this exception.
   readonly attribute unsigned long           result;
-  // The name of the error code (ie, a string repr of |result|).
-  readonly attribute DOMString               name;
 
   // Filename location.  This is the location that caused the
   // error, which may or may not be a source file location.
   // For example, standard language errors would generally have
   // the same location as their top stack entry.  File
   // parsers may put the location of the file they were parsing,
   // etc.
 
@@ -52,28 +48,38 @@ interface ExceptionMembers
 
   // Formatted exception stack
   [Throws, Replaceable]
   readonly attribute DOMString               stack;
 };
 
 [NoInterfaceObject, Exposed=(Window,Worker)]
 interface Exception {
+  // The name of the error code (ie, a string repr of |result|).
+  readonly attribute DOMString               name;
+  // A custom message set by the thrower.
+  readonly attribute DOMString               message;
   // A generic formatter - make it suitable to print, etc.
   stringifier;
 };
 
 Exception implements ExceptionMembers;
 
 // XXXkhuey this is an 'exception', not an interface, but we don't have any
 // parser or codegen mechanisms for dealing with exceptions.
 [ExceptionClass,
  Exposed=(Window, Worker),
  Constructor(optional DOMString message = "", optional DOMString name)]
 interface DOMException {
+  // The name of the error code (ie, a string repr of |result|).
+  readonly attribute DOMString               name;
+  // A custom message set by the thrower.
+  readonly attribute DOMString               message;
+  readonly attribute unsigned short code;
+
   const unsigned short INDEX_SIZE_ERR = 1;
   const unsigned short DOMSTRING_SIZE_ERR = 2; // historical
   const unsigned short HIERARCHY_REQUEST_ERR = 3;
   const unsigned short WRONG_DOCUMENT_ERR = 4;
   const unsigned short INVALID_CHARACTER_ERR = 5;
   const unsigned short NO_DATA_ALLOWED_ERR = 6; // historical
   const unsigned short NO_MODIFICATION_ALLOWED_ERR = 7;
   const unsigned short NOT_FOUND_ERR = 8;
@@ -89,15 +95,13 @@ interface DOMException {
   const unsigned short SECURITY_ERR = 18;
   const unsigned short NETWORK_ERR = 19;
   const unsigned short ABORT_ERR = 20;
   const unsigned short URL_MISMATCH_ERR = 21;
   const unsigned short QUOTA_EXCEEDED_ERR = 22;
   const unsigned short TIMEOUT_ERR = 23;
   const unsigned short INVALID_NODE_TYPE_ERR = 24;
   const unsigned short DATA_CLONE_ERR = 25;
-
-  readonly attribute unsigned short code;
 };
 
 // XXXkhuey copy all of Gecko's non-standard stuff onto DOMException, but leave
 // the prototype chain sane.
 DOMException implements ExceptionMembers;