>With Dart, Web authors may end up not shipping the JS fallback Why wouldn't you? Minifying Dart or compiling Dart to JavaScript is basically the same. You inv

>With Dart, Web authors may end up not shipping the JS fallback Why wouldn't you? Minifying Dart or compiling Dart to JavaScript is basically the same. You invoke the very same command line tool just with different switches. Why would you do one thing in your build/deploy script but not the other? Especially if doing so makes it incompatible for a significant chunk of your users. Most people won't even drop a 5% chunk (e.g. something like IE8). >or not testing it [in other browsers] I don't see how that's specific to Dart.