In the AtScript, there is nothing out of the Dart (0%).<p>AtScript composed entirely of TypeScript (100%).<p>AtScript is superset of TypeScript.<p>Dart there and does not smell.<p><a href="https://www.youtube.com/watch?v=lGdnh8QSPPk#t=1734" rel="nofollow">https://www.youtube.com/watch?v=lGdnh8QSPPk#t=1734</a><p>=====================<p>AtScript: Google’s new superset JavaScript runtime<p><a href="http://sdtimes.com/atscript-googles-new-superset-javascript-runtime/" rel="nofollow">http://sdtimes.com/atscript-googles-new-superset-javascript-...</a><p>AtScript is designed to run on top of not only ECMAScript 5 and the upcoming ECMAScript 6, but atop Microsoft’s superset TypeScript language as well.<p>=====================<p>Dart has the same relative to AtScript, as to the TypeScript.<p>That is no relationship and no communication between them.