Fix for #991

diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js
index 7eb1b91..814a6b8 100644 (file)
--- a/src/ajax/ajax.js
+++ b/src/ajax/ajax.js
@@ -647,6 +647,13 @@ jQuery.extend({
                        // The transfer is complete and the data is available, or the request timed out
                        if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
                                requestDone = true;
+                               
+                               // clear poll interval
+                               if (ival) {
+                                       clearInterval(ival);
+                                       ival = null;
+                               }
+                               
                                var status;
                                try {
                                        status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
@@ -692,11 +699,13 @@ jQuery.extend({
                                        s.complete(xml, status);
 
                                // Stop memory leaks
-                               xml.onreadystatechange = function(){};
-                               xml = null;
+                               if(s.async)
+                                       xml = null;
                        }
                };
-               xml.onreadystatechange = onreadystatechange;
+               
+               // don't attach the handler to the request, just poll it instead
+               var ival = setInterval(onreadystatechange, 13); 
 
                // Timeout checker
                if ( s.timeout > 0 )
@@ -711,12 +720,9 @@ jQuery.extend({
                                }
                        }, s.timeout);
                        
-               // save non-leaking reference 
-               var xml2 = xml;
-
                // Send the data
                try {
-                       xml2.send(s.data);
+                       xml.send(s.data);
                } catch(e) {
                        jQuery.handleError(s, xml, null, e);
                }
@@ -726,7 +732,7 @@ jQuery.extend({
                        onreadystatechange();
                
                // return XMLHttpRequest to allow aborting the request etc.
-               return xml2;
+               return xml;
        },
 
        handleError: function( s, xml, status, e ) {