Hi Leonardo,��

I am interested in events you can trigger in web pages. For example: a user clicks on a button and the script code associated causes a state change in the Document Object Model (DOM) and sends a XHR request (XMLHttpRequest) to the server. The server eventually answers this request, closing the sequence of events. I want to trace these sequences of events from a running application.

You might be interested in checking out Michael Perscheids recently announced "Path Tools" framework for Squeak. ��It performs incremental, dynamic analysis of an application under observation. ��The framework is designed to analyze the running TestCases of an application, which is perfect for TDD.

�� https://www.hpi.uni-potsdam.de/hirschfeld/trac/SqueakCommunityProjects/wiki/pathToolsFramework

One of the demonstration videos showcases its "Test-driven fault navigation" capability, where a bug is purposefully introduced into Seaside itself and shown how the system employs its lightweight, "back-in-time debugging" feature to identify it. ��Amazing stuff!

��>> So, a simple and quick-to-answer question, what is your Seaside application and how to access the code of it?

>
> many of web app are private because business oriented.

I understand, but it would be nice to have some examples of web applications using script languages, even if I don't have access to all source code.

Path Tools is MIT-licensed so everything is visible. ��In fact at the bottom of that page is a pre-configured image available for download which provides an interactive tutorial.