The "space-pen" part of this deserves separate attention: http://atom.github.io/space-pen/ http://atom.github.io/space-pen/ I bet this space-pen DOM DSL would

The "space-pen" part of this deserves separate attention: http://atom.github.io/space-pen/ http://atom.github.io/space-pen/ I bet this space-pen DOM DSL would mix well with the React virtual-DOM approach.