From 51c2ec0dd31f36040da91f9edb456c5ff39e507a Mon Sep 17 00:00:00 2001
From: Jason Bedard <jason+github@jbedard.ca>
Date: Fri, 29 Aug 2014 23:11:04 -0700
Subject: [PATCH] perf(jQuery): only trigger $destroy if a handler exists

---
 src/Angular.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Angular.js b/src/Angular.js
index a90d7ee7b35b..27179ce24961 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -1510,9 +1510,13 @@ function bindJQuery() {
     // the $destroy event on all removed nodes.
     originalCleanData = jQuery.cleanData;
     jQuery.cleanData = function(elems) {
+      var events;
       if (!skipDestroyOnNextJQueryCleanData) {
         for (var i = 0, elem; (elem = elems[i]) != null; i++) {
-          jQuery(elem).triggerHandler('$destroy');
+          events = jQuery._data(elem, "events");
+          if (events && events.$destroy) {
+            jQuery(elem).triggerHandler('$destroy');
+          }
         }
       } else {
         skipDestroyOnNextJQueryCleanData = false;