What is dart2js?

The dart2js tool provides hints for improving your Dart code and removing unused code . Also see dart analyze , which performs a similar analysis but has a different implementation. This page tells you how to use dart2js on the command line. It also give tips on debugging the JavaScript that dart2js generates.

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What is Dart js library?

dart:js library Null safety. Low-level support for interoperating with JavaScript. … This library provides access to JavaScript objects from Dart , allowing Dart code to get and set properties, and call methods of JavaScript objects and invoke JavaScript functions.

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How does a Dart compiler work?

Source: Based on Flutter System Architecture Using the Dart language allows Flutter to compile the source code ahead-of-time to native code. The engine’s C/C++code is compiled with Android’s NDK or iOS’ LLVM . Both pieces are wrapped in a “runner” Android and iOS project, resulting in an apk or ipa file respectively.

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