Dart has more polyfill stuff built-in. This is IMHO a big advantage when I see all the related StackOverflow Angular2 TS questions. A downside is that it is som

Dart has more polyfill stuff built-in. This is IMHO a big advantage when I see all the related StackOverflow Angular2 TS questions. A downside is that it is sometimes a bit more cumbersome to work around if something is not fully polyfilled by Dart and you have to work around "manually".