EventTarget: dispatchEvent() method - Web APIs | MDN

The dispatchEvent() method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually with dispatchEvent(). Calling dispatchEvent() is the last step to firing an event. The event should have already be

[faerie]

めも

[IMAKADO]

fireEvent < Method < 知らなかった。