diff --git a/source/clog-base.lisp b/source/clog-base.lisp
index c146f5c..d217556 100644
--- a/source/clog-base.lisp
+++ b/source/clog-base.lisp
@@ -78,10 +78,12 @@ during attachment. (Private)"))
 ;;;;;;;;;;;;;;;;
 
 (defgeneric js-execute (clog-obj script)
-  (:documentation "Execure SCRIPT on browser. (Internal)"))
+  (:documentation "Execure SCRIPT on browser. Result is
+dicarded, return CLOG-OBJ. (Internal)"))
 
 (defmethod js-execute ((obj clog-obj) script)
-  (clog-connection:execute (connection-id obj) script))
+  (clog-connection:execute (connection-id obj) script)
+  obj)
 
 ;;;;;;;;;;;;;;
 ;; js-query ;;
@@ -109,7 +111,7 @@ during attachment. (Private)"))
 
 (defgeneric jquery-execute (clog-obj method)
   (:documentation "Execute the jquery METHOD on OBJ. Result is
-dicarded. (Private)"))
+dicarded, return CLOG-OBJ. (Private)"))
 
 (defmethod jquery-execute ((obj clog-obj) method)
   (js-execute obj (format nil "~A.~A" (jquery obj) method)))
@@ -369,7 +371,8 @@ result or if time out DEFAULT-ANSWER (Private)"))
   (:documentation "Set html property."))
 
 (defmethod set-property ((obj clog-obj) property-name value)
-  (jquery-execute obj (format nil "prop('~A','~A')" property-name (escape-string value))))
+  (jquery-execute obj (format nil "prop('~A','~A')" property-name (escape-string value)))
+  value)
 (defsetf property set-property)
 
 ;;;;;;;;;;;;
@@ -386,7 +389,8 @@ result or if time out DEFAULT-ANSWER (Private)"))
   (:documentation "Set height VALUE for CLOG-OBJ"))
 
 (defmethod set-height ((obj clog-obj) value)
-  (jquery-execute obj (format nil "height('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "height('~A')" (escape-string value)))
+  value)
 (defsetf height set-height)
 
 ;;;;;;;;;;;
@@ -403,7 +407,8 @@ result or if time out DEFAULT-ANSWER (Private)"))
   (:documentation "Set width VALUE for CLOG-OBJ"))
 
 (defmethod set-width ((obj clog-obj) value)
-  (jquery-execute obj (format nil "width('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "width('~A')" (escape-string value)))
+  value)
 (defsetf width set-width)
 
 ;;;;;;;;;;;
@@ -466,7 +471,8 @@ clog-body of this connection."))
 
 (defmethod set-connection-data-item ((obj clog-obj) item-name value)
   (bordeaux-threads:with-lock-held ((connection-data-mutex obj))
-    (setf (gethash item-name (connection-data obj)) value)))
+    (setf (gethash item-name (connection-data obj)) value))
+  value)
 (defsetf connection-data-item set-connection-data-item)
 
 (defgeneric remove-connection-data-item (clog-obj item-name)
diff --git a/source/clog-document.lisp b/source/clog-document.lisp
index cac3752..ad56597 100644
--- a/source/clog-document.lisp
+++ b/source/clog-document.lisp
@@ -123,7 +123,8 @@ clog-document object. (Private)"))
   
 (defmethod set-title ((obj clog-document) value)
   (execute obj
-	   (format nil "title='~A'" (clog-connection:escape-string value))))
+	   (format nil "title='~A'" (clog-connection:escape-string value)))
+  value)
 (defsetf title set-title)
 
 ;;;;;;;;;;;;;;;;;;
diff --git a/source/clog-element.lisp b/source/clog-element.lisp
index 2bd3c21..1fc6847 100644
--- a/source/clog-element.lisp
+++ b/source/clog-element.lisp
@@ -118,7 +118,8 @@ must be in DOM, ie placed or auto-placed."))
 
 (defmethod set-style ((obj clog-element) style-name value)
   (jquery-execute obj (format nil "css('~A','~A')"
-			      style-name (escape-string value))))
+			      style-name (escape-string value)))
+  value)
 (defsetf style set-style)
 
 (defgeneric set-styles (clog-element style-list)
@@ -148,17 +149,19 @@ must be in DOM, ie placed or auto-placed."))
 		:default-answer default-answer))
 
 (defgeneric remove-attribute (clog-element attribute-name)
-  (:documentation "Get/Setf html tag attribute. (eg. src on img tag)"))
+  (:documentation "Remove html tag attribute. (eg. src on img tag)"))
 
 (defmethod remove-attribute ((obj clog-element) attribute-name)
-  (jquery-execute obj (format nil "removeAttr('~A')" attribute-name)))
+  (jquery-execute obj (format nil "removeAttr('~A')" attribute-name))
+  attribute-name)
 
 (defgeneric set-attribute (clog-element attribute-name value)
   (:documentation "Set html tag attribute."))
 
 (defmethod set-attribute ((obj clog-element) attribute-name value)
   (jquery-execute obj (format nil "attr('~A','~A')"
-			      attribute-name (escape-string value))))
+			      attribute-name (escape-string value)))
+  value)
 (defsetf attribute set-attribute)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -384,7 +387,8 @@ lost forever."))
   (:documentation "Set inner-html VALUE for CLOG-ELEMENT"))
 
 (defmethod set-inner-html ((obj clog-element) value)
-  (jquery-execute obj (format nil "html('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "html('~A')" (escape-string value)))
+  value)
 (defsetf inner-html set-inner-html)
 
 ;;;;;;;;;;;;;;;;
@@ -451,7 +455,8 @@ spell checking if Editable is also true."))
   (:documentation "Set text VALUE for CLOG-ELEMENT"))
 
 (defmethod set-text ((obj clog-element) value)
-  (jquery-execute obj (format nil "text('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "text('~A')" (escape-string value)))
+  value)
 (defsetf text set-text)
 
 ;;;;;;;;;;;;;;;;;;;;
@@ -1642,7 +1647,8 @@ in UNITS (default :px)"))
   (:documentation "Set inner-height VALUE for CLOG-ELEMENT"))
 
 (defmethod set-inner-height ((obj clog-element) value)
-  (jquery-execute obj (format nil "innerHeight('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "innerHeight('~A')" (escape-string value)))
+  value)
 (defsetf inner-height set-inner-height)
 
 ;;;;;;;;;;;;;;;;;
@@ -1659,7 +1665,8 @@ in UNITS (default :px)"))
   (:documentation "Set inner-width VALUE for CLOG-ELEMENT"))
 
 (defmethod set-inner-width ((obj clog-element) value)
-  (jquery-execute obj (format nil "innerWidth('~A')" (escape-string value))))
+  (jquery-execute obj (format nil "innerWidth('~A')" (escape-string value)))
+  value)
 (defsetf inner-width set-inner-width)
 
 ;;;;;;;;;;;;;;;;;;
diff --git a/source/clog-window.lisp b/source/clog-window.lisp
index 7b6001a..4ca44df 100644
--- a/source/clog-window.lisp
+++ b/source/clog-window.lisp
@@ -38,7 +38,8 @@ window."))
 (defgeneric set-window-name (clog-window value))
   
 (defmethod set-window-name ((obj clog-window) value)
-  (execute obj (format nil "name='~A'" (escape-string value))))
+  (execute obj (format nil "name='~A'" (escape-string value)))
+  value)
 (defsetf window-name set-window-name)
 
 ;;;;;;;;;;;;;;;;
@@ -54,7 +55,8 @@ window."))
 (defgeneric set-status-bar (clog-window value))
   
 (defmethod set-status-bar ((obj clog-window) value)
-  (execute obj (format nil "status='~A'" (escape-string value))))
+  (execute obj (format nil "status='~A'" (escape-string value)))
+  value)
 (defsetf status-bar set-status-bar)
 
 ;;;;;;;;;;;;;;;;;;
@@ -70,7 +72,8 @@ window."))
 (defgeneric set-inner-height (clog-window value))
   
 (defmethod set-inner-height ((obj clog-window) value)
-  (execute obj (format nil "innerHeight='~A'" (escape-string value))))
+  (execute obj (format nil "innerHeight='~A'" (escape-string value)))
+  value)
 (defsetf inner-height set-inner-height)
 
 ;;;;;;;;;;;;;;;;;
@@ -86,7 +89,8 @@ window."))
 (defgeneric set-inner-width (clog-window value))
   
 (defmethod set-inner-width ((obj clog-window) value)
-  (execute obj (format nil "innerWidth='~A'" (escape-string value))))
+  (execute obj (format nil "innerWidth='~A'" (escape-string value)))
+  value)
 (defsetf inner-width set-inner-width)
 
 ;;;;;;;;;;;;;;;;;;
@@ -102,7 +106,8 @@ window."))
 (defgeneric set-outer-height (clog-window value))
   
 (defmethod set-outer-height ((obj clog-window) value)
-  (execute obj (format nil "outerHeight='~A'" (escape-string value))))
+  (execute obj (format nil "outerHeight='~A'" (escape-string value)))
+  value)
 (defsetf outer-height set-outer-height)
 
 ;;;;;;;;;;;;;;;;;
@@ -118,7 +123,8 @@ window."))
 (defgeneric set-outer-width (clog-window value))
   
 (defmethod set-outer-width ((obj clog-window) value)
-  (execute obj (format nil "outerWidth='~A'" (escape-string value))))
+  (execute obj (format nil "outerWidth='~A'" (escape-string value)))
+  value)
 (defsetf outer-width set-outer-width)
 
 ;;;;;;;;;;;;;;
@@ -134,7 +140,8 @@ window."))
 (defgeneric set-x-offset (clog-window value))
   
 (defmethod set-x-offset ((obj clog-window) value)
-  (execute obj (format nil "pageXOffset='~A'" (escape-string value))))
+  (execute obj (format nil "pageXOffset='~A'" (escape-string value)))
+  value)
 (defsetf x-offset set-x-offset)
 
 ;;;;;;;;;;;;;;
@@ -150,7 +157,8 @@ window."))
 (defgeneric set-y-offset (clog-window value))
   
 (defmethod set-y-offset ((obj clog-window) value)
-  (execute obj (format nil "pageYOffset='~A'" (escape-string value))))
+  (execute obj (format nil "pageYOffset='~A'" (escape-string value)))
+  value)
 (defsetf y-offset set-y-offset)
 
 ;;;;;;;;;
@@ -166,7 +174,8 @@ window."))
 (defgeneric set-top (clog-window value))
   
 (defmethod set-top ((obj clog-window) value)
-  (execute obj (format nil "screenY='~A'" (escape-string value))))
+  (execute obj (format nil "screenY='~A'" (escape-string value)))
+  value)
 (defsetf top set-top)
 
 ;;;;;;;;;;
@@ -182,7 +191,8 @@ window."))
 (defgeneric set-left (clog-window value))
   
 (defmethod set-left ((obj clog-window) value)
-  (execute obj (format nil "screenX='~A'" (escape-string value))))
+  (execute obj (format nil "screenX='~A'" (escape-string value)))
+  value)
 (defsetf left set-left)
 
 ;;;;;;;;;;;;;;;;;
@@ -542,5 +552,6 @@ STORAGE-TYPE. (local = persistant or session)"))
   (execute obj (format nil "~(~a~)Storage.setItem('~A','~A')"
 		       storage-type
 		       (escape-string key-name)
-		       (escape-string value))))
+		       (escape-string value)))
+  value)
 (defsetf storage-element set-storage-element)