Fix #13291, no longer need the functionish-regex guard.

diff --git a/src/core.js b/src/core.js
index d909c8144dda508cc72ca0a4e5924f1c1f7dd468..9efdc229e0476fc89d7312ff888b472a3b59d91e 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -407,7 +407,7 @@ jQuery.extend({
                if ( obj == null ) {
                        return String( obj );
                }
-               return typeof obj === "object" || typeof obj === "function" ?
+               return typeof obj === "object" ?
                        class2type[ core_toString.call(obj) ] || "object" :
                        typeof obj;
        },