Function handler

1.6.1/src/event.js:888–898

( donor )

		};

		function handler( donor ) {
			// Donor event is always a native one; fix it and switch its type.
			// Let focusin/out handler cancel the donor focus/blur event.
			var e = jQuery.event.fix( donor );
			e.type = fix;
			e.originalEvent = {};
			jQuery.event.trigger( e, null, e.target );
			if ( e.isDefaultPrevented() ) {
				donor.preventDefault();
			}
		}
	});
}