diff --git a/lib/js/thrift.js b/lib/js/thrift.js
index 9b92658..fbdc809 100644
--- a/lib/js/thrift.js
+++ b/lib/js/thrift.js
@@ -713,5 +713,14 @@
    
 }
 
+Thrift.objectLength = function(obj) {
+  var length = 0;
+  for (k in obj) {
+    if (obj.hasOwnProperty(k)) {
+      length++;
+    }
+  }
+  return length;
+}
 
 
diff --git a/lib/nodejs/lib/thrift/thrift.js b/lib/nodejs/lib/thrift/thrift.js
index 73f772b..aee5a54 100644
--- a/lib/nodejs/lib/thrift/thrift.js
+++ b/lib/nodejs/lib/thrift/thrift.js
@@ -128,3 +128,7 @@
   output.writeFieldStop()
   output.writeStructEnd()
 }
+
+exports.objectLength = function(obj) {
+  return Object.keys(obj).length;
+}