New elements:
- Image Canvas
- Multimedia video, audio
- Local storage localStorage, sessionStorage
- Better semantic content elements aticle, header, footer, nav, section
- Form Control date, time, canlendar, url, search
- The new technology webworker, websocket, Geolocation
Removing elements:
- Pure performance elements u, big, center, strike, tt, font, basefont
- Frameset frame, frameset, noframes