Not immediately clear:<p>Where and how could I deploy an app like this? What are its dependencies? Does it run in the browser or an OS? How do I set up the environment to compile it?
Another interesting connection between Qt and JavaScript is QWebKit which allows you to run web applications (HTML/CSS/JavaScript) within a GUI widget.<p>QWebKit also allows you to add custom GUI handlers to events like clicks to certain links, or to prefix each loaded page with a certain piece of JavaScript.