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

IgorMinar · IgorMinar · commit 9e57ce0c7af7 · 2013-02-11T21:58:00.000-08:00
This reverts commit 28273b7f1ef52e46d5bc23c41bc7a1492cf23014o.

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