I don't want to learn Dart, at least for now. I hope to explain in this post how I think, so begin. Dart want to be next big language of the Web, but this really doesn't matter. JavaScript will be with us for years from now, and other Browser vendors do not implement it, at least if Google do not pay them to. It will have at best all Chrome users, and this probably be about 20-30% even in a couple of years, so only a couple of developers will really use it for real. Just now how GWT now is used. GWT and Dart will be used only by people that use Java, but they not WebDevelopers most of the time. Most of WebDevelopers write JavaScript, not Java or even PHP. What are benefits of Dart rally? classes And that's pretty all of it. Really, there is nothing really impressive in this new language. This is mix of some other OOP languages. Nothing new. I can tell that this is boring. Even getters na setters are available in JavaScript, just nobody use