From c0d6e9ea383fc3a2a426a6227a2dd758946d3977 Mon Sep 17 00:00:00 2001
From: Warlock <ddoronin@users.noreply.github.com>
Date: Mon, 15 Sep 2014 13:03:35 +0400
Subject: [PATCH] update angular.extend() documentation

How to preserve original objects similar to jQuery.extend().
---
 src/Angular.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Angular.js b/src/Angular.js
index 1b1d1b5eb0b7..bea5dae51e89 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -328,7 +328,8 @@ function setHashKey(obj, h) {
  *
  * @description
  * Extends the destination object `dst` by copying all of the properties from the `src` object(s)
- * to `dst`. You can specify multiple `src` objects.
+ * to `dst`. You can specify multiple `src` objects. If you want to preserve original objects,
+ * you can do so by passing an empty object as the target: `var object = angular.extend({}, object1, object2)`.
  *
  * @param {Object} dst Destination object.
  * @param {...Object} src Source object(s).