Drang n’ Drop in HTML 5 is supported by: IE9+, Firefox 3.6+, Safari 4+, Opera 11+ and Chrome 12+. But its not supported yet for touch devices like Touch Mobiles and Tablets.
To make things more clear, its not only HTML 5.. Its a combination between HTML 5, CSS 3, and Javascript.
15 Free IDEs for Developers
Komodo Edit (Windows, Mac, Linux) Komodo Edit is an open source application that has support […]