Nowadays I hear so much from Internet about Dart language so that today at the weekend I will go skimly Dart language on Google search.
I found some good sites such as https://www.vogella.com/tutorials/Dart/article.html, https://flutter.dev/docs/resources/bootstrap-into-dart and I understood that Google Dart is a new programming language from Google that is used to build mobile applications, web applications, Internet of Things (IoT), advertisements, and so on.
The most famous framework that use Dart language is Flutter framework for mobile app development that can run on iOS, Android, etc.
I see that Dart syntax learned much from Java8, RxJS, Typescript and add/update some differences to improve from Java.