I'm working on such a thing during my free time, it's very interesting and I don't understand why nobody implemented this idea, but there are frameworks which d

I'm working on such a thing during my free time, it's very interesting and I don't understand why nobody implemented this idea, but there are frameworks which do it, like vaadin for Java (it generates JavaScript through GWT ) I would be very pleased to hear from people who would be interested in such a language - what features they will want from it.