event.eventPhase

新增于: v14.5.0
  • 类型: <number> 事件未被调度时返回 0，事件被调度时返回 2。

这在 Node.js 中没有使用，纯粹是为了完整性而提供的。

Added in: v14.5.0
  • Type: <number> Returns 0 while an event is not being dispatched, 2 while it is being dispatched.

This is not used in Node.js and is provided purely for completeness.