1 files changed, 2 insertions, 6 deletions
diff --git a/src/JSON.js b/src/JSON.js
index 340b075a..0311c317 100644
--- a/src/JSON.js
+++ b/src/JSON.js
@@ -1,4 +1,4 @@
-array = [].constructor;
+var array = [].constructor;
 
 function toJson(obj, pretty){
   var buf = [];
@@ -6,10 +6,6 @@ function toJson(obj, pretty){
   return buf.join('');
 }
 
-function toPrettyJson(obj)  {
-  return toJson(obj, true);
-}
-
 function fromJson(json) {
   if (!json) return json;
   try {
@@ -74,7 +70,7 @@ function toJsonArray(buf, obj, pretty, stack){
       var childPretty = pretty ? pretty + "  " : false;
       var keys = [];
       for(var k in obj) {
-        if (k.indexOf('$$') === 0 || obj[k] === undefined)
+        if (!obj.hasOwnProperty(k) || k.indexOf('$$') === 0 || obj[k] === undefined)
           continue;
         keys.push(k);
       }