From 22b9b4757610918456e3486deb514bcc60a08852 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20M=C3=BCller?= <sebastian.mueller@varmoo.com>
Date: Sat, 20 Apr 2013 19:35:11 +0200
Subject: [PATCH] refactor(core): use native String.prototype.trim if available

---
 src/Angular.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/Angular.js b/src/Angular.js
index c10666188dcb..53b532393955 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -436,9 +436,20 @@ function isBoolean(value) {
 }
 
 
-function trim(value) {
-  return isString(value) ? value.replace(/^\s*/, '').replace(/\s*$/, '') : value;
-}
+var trim = (function() {
+  // native trim is way faster: http://jsperf.com/angular-trim-test
+  // but IE doesn't have it... :-(
+  // TODO: we should move this into IE/ES5 polyfill
+  if (!String.prototype.trim) {
+    return function(value) {
+      return isString(value) ? value.replace(/^\s*/, '').replace(/\s*$/, '') : value;
+    };
+  }
+  return function(value) {
+    return isString(value) ? value.trim() : value;
+  };
+})();
+
 
 /**
  * @ngdoc function