XML SAX Parser in Javascript, almost fully w3c compliant (DTD parsing not totally complete).
Demonstration web page is : http://debeissat.nicolas.free.fr/sax.php With explanations on the algorithms used.
Initial repository was : https://code.google.com/p/jssaxparser/