diff -r 13dc5ada296b -r cd0a40987abb javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/KOList.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/KOList.java	Mon Mar 25 16:17:21 2013 +0100
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/KOList.java	Wed Apr 03 11:37:52 2013 +0200
@@ -19,6 +19,7 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Iterator;
 import org.apidesign.bck2brwsr.core.JavaScriptOnly;
 
 /**
@@ -92,7 +93,25 @@
         notifyChange();
         return ret;
     }
-    
+
+    @Override
+    public String toString() {
+        Iterator<T> it = iterator();
+        if (!it.hasNext()) {
+            return "[]";
+        }
+        String sep = "";
+        StringBuilder sb = new StringBuilder();
+        sb.append('[');
+        while (it.hasNext()) {
+            T t = it.next();
+            sb.append(sep);
+            sb.append(ConvertTypes.toJSON(t));
+            sep = ",";
+        }
+        sb.append(']');
+        return sb.toString();
+    }
     
     
     @JavaScriptOnly(name = "koArray", value = "function() { return this.toArray___3Ljava_lang_Object_2(); }")