Is Dart a TypeScript?

Key Differences Between TypeScript and Dart TypeScript is a language designed to be a Typed superset of JavaScript; thus, JavaScript is valid TypeScript code, whereas Dart is a full scripting language on its own, not a superset of JavaScript .

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How do I use js package in Dart?

If you pass a Dart function to a JavaScript API as an argument, wrap the Dart function using allowInterop() or allowInteropCaptureThis() . To make a Dart function callable from JavaScript by name, use a setter annotated with @JS() . @JS() library callable_function; import ‘package:js/js.

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