--- a/js.rst	Mon Nov 26 23:41:06 2012 +0200
+++ b/js.rst	Wed Nov 28 17:57:25 2012 +0200
@@ -74,6 +74,13 @@
   http://caniuse.com/use-strict
                 Can I use ECMAScript 5 Strict Mode?
 
+Pretty print from JavaScript.
+=============================
+
+To Web Developer console (Firefox/Chrome)::
+
+   console.debug ("%o", obj);
+
 XML from JavaScript.
 ====================