diff -r 8da329789435 -r 1295e596fd35 javap/src/main/java/org/apidesign/javap/Hashtable.java
--- a/javap/src/main/java/org/apidesign/javap/Hashtable.java	Thu Dec 13 23:20:47 2012 +0100
+++ b/javap/src/main/java/org/apidesign/javap/Hashtable.java	Mon Dec 24 08:30:20 2012 +0100
@@ -62,7 +62,7 @@
     }
 
     @JavaScriptBody(args = {"self", "key" }, body = 
-        "return self[key];"
+        "var r = self[key]; return r ? r : null;"
     )
     Object get(Object key) {
         return get(key, null);