revert: refactor(angular.copy): use slice(0) to clone arrays

This reverts commit 28273b7f1ef52e46d5bc23c41bc7a1492cf23014o.

slice(0) doesn't perform deep copy of the array so its unsuitable
for our purposes.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/Angular.js b/src/Angular.js
index 0548f14b..27ef157d 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -556,8 +556,7 @@ function copy(source, destination){
     destination = source;
     if (source) {
       if (isArray(source)) {
-        // http://jsperf.com/copy-array-with-slice-vs-for
-        destination = source.slice(0);
+        destination = copy(source, []);
       } else if (isDate(source)) {
         destination = new Date(source.getTime());
       } else if (isObject(source)) {