diff --git a/source/Ox.js b/source/Ox.js
index a24cac17..a7371ca4 100644
--- a/source/Ox.js
+++ b/source/Ox.js
@@ -4388,8 +4388,10 @@ Ox.isEqual = function(a, b) {
             isEqual = true;
         } else if (type == 'date') {
             isEqual = a.getTime() == b.getTime();
+        /* toString doesn't do it
         } else if (['element', 'function'].indexOf(type) > -1) {
             isEqual = a.toString() == b.toString();
+        */
         } else if (type == 'regexp') {
             isEqual = a.global == b.global &&
                 a.ignore == b.ignore &&