function addEventListener

Overload 1

#addEventListener<K extends keyof WindowEventMap>(type: K,
listener: (this: Window,
ev: WindowEventMap[K],
) => any,
options?: boolean | AddEventListenerOptions,
): void

Registers an event listener in the global scope, which will be called synchronously whenever the event type is dispatched.

addEventListener('unload', () => { console.log('All finished!'); });
...
dispatchEvent(new Event('unload'));

Type Parameters #

#K extends keyof WindowEventMap

Parameters #

#type: K

#listener: (this: Window,
ev: WindowEventMap[K],
) => any

optional

#options: boolean | AddEventListenerOptions

Return Type #

void

Overload 2

#addEventListener(type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions,
): void

Parameters #

#type: string

#listener: EventListenerOrEventListenerObject

optional

#options: boolean | AddEventListenerOptions

Return Type #

void