Create extend.js

Author: vkhv

extend.js

@@ -0,0 +1,13 @@
+//  Function that copies objects and their properties.
+// Doesn't work with prototypes.
+
+function extend(parent, child) {
+  var i;
+  var child = child || {};
+  for(i in parent) {
+    if(parent.hasOwnProperty(i)) {
+      child[i] = parent[i];
+    }
+  }
+  return child;
+}