Html5 Tutorial
Really in the present scenario the Html5 scripting is getting boomed. Not only for the web but also for application development it is being used. What you have written in your article, its just a casting, there is still yet to be come.
Go throw this also
Whats now needed is a database feature in further editions of HTML5.
CSS3 animations need to developed such that complex animations can be created with timeframes.
This here is a good demo on CSS3 properties