diff --git a/lib/v8/conversion/object.rb b/lib/v8/conversion/object.rb
index d70a9ea..38d09da 100644
--- a/lib/v8/conversion/object.rb
+++ b/lib/v8/conversion/object.rb
@@ -12,6 +12,10 @@ class V8::Conversion
     def to_ruby
       self
     end
+
+    def eval_js(source, filename = '<eval>')
+      V8::Context.new(:with => self).eval(source, filename)
+    end
   end
 
   module NativeObject