Is Objective-J a good tool to develop Web Apps?

I was recently reading some articles and I found this.

http://ift.tt/1FovTH0

What was curious about this, is that I can implement my Objective-C Synthax Konwlage to develop web applications based in JavaScript. But my question comes from if Is a current well used tool to develop web apps?, will it be a good invest of time into know to use it? Thanks in advance!