Dart is approximately two times faster than JavaScript . Dart is type-safe and compiled with both AOT and JIT compilers. Dart is very scalable across projects. Dart is very similar to Javascript and easy to learn if you already know Javascript.
Read moreIs Dart a JavaScript?
Compiled as JavaScript , Dart code is compatible with all major browsers with no need for browsers to adopt Dart. Through optimizing the compiled JavaScript output to avoid expensive checks and operations, code written in Dart can, in some cases, run faster than equivalent code hand-written using JavaScript idioms.
Read moreCan I use Dart instead of JavaScript?
Dart vs JavaScript: Type safety Dart supports both loose and strong prototyping. As Dart is a compiled language, most of the programming errors can be found during the compilation. In that respect, Dart is more type-safe than JavaScript.
Read moreCan I use TypeScript in Flutter?
So no, you can’t use TypeScript with Flutter .
Read more