in jQuery 1.3.2 (line 3382, or nearby ;o)

This simple optimization can be applied :

BEFORE:

            xhr: function() {
                return window.ActiveXObject ? new ActiveXObject
("Microsoft.XMLHTTP") : new XMLHttpRequest();
            },

AFTER:

xhr: function() {   return new XMLHttpRequest();   },
//@cc_on xhr: function() { new ActiveXObject("Microsoft.XMLHTTP") },

IF (IE) is the host the second version overwrites the first.
IF (! IE)  the second version is hidden by the comment.

Obviously this can be done elsewhere in jQuery, for (significant)
optimizations...

--DBJ

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