got5/tapestry5-jquery — pull request #184 by lltyk (2012-05-31 15:43:58+00:00)
Title: IE js error thrown in Tapestry.error when debug tools open

Go here in IE8+:
http://tapestry5-jquery.com/

In addressbar type:
javascript:Tapestry.error("foo");

It will work fine, showing the alert message.

Now open the IE developer tools and do the same. A js error will be logged.