method FileReader.removeEventListener
FileReader.removeEventListener<K extends keyof FileReaderEventMap>(type: K,listener: (this: FileReader,ev: FileReaderEventMap[K],) => any,options?: boolean | EventListenerOptions,): voidK extends keyof FileReaderEventMaptype: Klistener: (this: FileReader,ev: FileReaderEventMap[K],) => anyoptional
options: boolean | EventListenerOptionsvoidFileReader.removeEventListener(): voidlistener: EventListenerOrEventListenerObjectoptional
options: boolean | EventListenerOptionsvoid