"The word 'radical' derives from the Latin word for root. Therefore, if you want to get to the root of anything you must be radical. It is no accident that the word has now been totally demonized..." -- Gore Vidal
HTS costs up to $300 a month to operate. We need your help!
http://www.w3schools.com/JS/default.asp, and in particular http://www.w3schools.com/JS/js_examples_3.asp
To understand how HTML exploitations work, you must understand what is an exploitation. An exploitation is the finding and using of a flaw in the code, like HTML, PHP etc. HTML is the backbone of hacking.