From b6ae6e52f99c0c3c45ad787328a2e800ff07ca2c Mon Sep 17 00:00:00 2001
From: Igor Minar
Date: Tue, 13 Mar 2012 10:02:56 -0700
Subject: fix(indexOf): use native impl if available

---
 src/Angular.js        | 7 +++----
 src/directive/form.js | 6 +-----
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/src/Angular.js b/src/Angular.js
index cdffcf1d..282dad5f 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -503,13 +503,12 @@ function size(obj, ownPropsOnly) {
 
 
 function includes(array, obj) {
-  for ( var i = 0; i < array.length; i++) {
-    if (obj === array[i]) return true;
-  }
-  return false;
+  return indexOf(array, obj) != -1;
 }
 
 function indexOf(array, obj) {
+  if (array.indexOf) return array.indexOf(obj);
+
   for ( var i = 0; i < array.length; i++) {
     if (obj === array[i]) return i;
   }
diff --git a/src/directive/form.js b/src/directive/form.js
index db645188..8c172889 100644
--- a/src/directive/form.js
+++ b/src/directive/form.js
@@ -98,11 +98,7 @@ function FormController(name, element) {
   function addControlError(validationToken, control) {
     var queue = errors[validationToken];
     if (queue) {
-      for (var i = 0, length = queue.length; i < length; i++) {
-        if (queue[i] === control) {
-          return;
-        }
-      }
+      if (indexOf(queue, control)) return;
     } else {
       errors[validationToken] = queue = [];
 
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