Object.watch（）Dart等效物

Question

我想知道Dart是否具有相當於https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/watch的實現？

Answer 1

observe包可能會做你想做的。

另見示例

• Functionality in parent class needs to detect changes to child class properties
• Implement an Observer pattern in Dart
• How to use Dart ChangeNotifier class?
• How to replace deprectaed notifyProperty?
• Dart: Using observale with multiple getters/setter
• Observe package from polymer dart