From e35abc9d2fac0471cbe8089dc0e33a72b8029ada Mon Sep 17 00:00:00 2001
From: Igor Minar <igor@angularjs.org>
Date: Wed, 4 Jun 2014 08:23:37 -0700
Subject: [PATCH] perf(jqLite): optimize element dealocation

Iterate only over elements and not nodes since we don't attach data or handlers
to text/comment nodes.
---
 src/jqLite.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/jqLite.js b/src/jqLite.js
index fa08877c..297c4304 100644
--- a/src/jqLite.js
+++ b/src/jqLite.js
@@ -241,8 +241,10 @@ function jqLiteClone(element) {
 
 function jqLiteDealoc(element){
   jqLiteRemoveData(element);
-  for ( var i = 0, children = element.childNodes || []; i < children.length; i++) {
-    jqLiteDealoc(children[i]);
+  var childElement;
+  for ( var i = 0, children = element.children, l = (children && children.length) || 0; i < l; i++) {
+    childElement = children[i];
+    jqLiteDealoc(childElement);
   }
 }