如何在Dart中监听一个keyUp事件？ [英] How do you listen for a keyUp event in Dart?

问题描述

如何侦听或注册Dart中的DOM元素上的keyUp事件？

How do I listen or register for the keyUp event on a DOM element in Dart?

推荐答案

稍微过时。在最新版本的Dart中，你可以听到如下的键向上事件：

Seems that this thread is slightly out-of-date. In the latest version of Dart, you can listen to key up events like this:

import 'dart:html';

main() {
  querySelector('#some-element').onKeyUp.listen((KeyboardEvent e) {
    print(e.keyCode);
  });
}

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