Fix #12423. Ensure we can .apply() before we try.

I can't think of an uncontrived way to unit test this, it only occurs in IE when a BHO monkeys with the links.

diff --git a/src/event.js b/src/event.js
index d4c17cf31ba0e7fc69542fc1e339c494fc2bfd38..c9231dabb1cf861ab8148b5d3fb7540bd10076c2 100644 (file)
--- a/src/event.js
+++ b/src/event.js
@@ -317,7 +317,7 @@ jQuery.event = {
                        }
                        // Note that this is a bare JS function and not a jQuery handler
                        handle = ontype && cur[ ontype ];
-                       if ( handle && jQuery.acceptData( cur ) && handle.apply( cur, data ) === false ) {
+                       if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
                                event.preventDefault();
                        }
                }