Builder3/Main.js

diff --git a/Builder3/Main.js b/Builder3/Main.js
index 1be0f11..04ec878 100644 (file)
--- a/Builder3/Main.js
+++ b/Builder3/Main.js
@@ -7,7 +7,7 @@ Json.xstringify = function (o) {
          var seen = [];
          return JSON.stringify(o, function(_, value) {
                  if (typeof value === 'object' && value !== null) {
-                         if (seen.indexOf(value) !== -1) return;
+                         if (seen.indexOf(value) !== -1) return null;
                          else seen.push(value);
                  }
                  return value;