📜  firepropertychange 做了什么 - 无论代码示例

📅  最后修改于: 2022-03-11 14:55:03.982000             🧑  作者: Mango

代码示例1
firePropertyChange Fires a property change event to listeners that have been registered to track updates of all properties or a property with the specified name. 
No event is fired if the given event's old and new values are equal and non-null.