goog.events.ListenableKeyProvided Bygoog.events.ListenableKeyAll Known Implementationsgoog.events.ListenerAn interface that describes a single registered listener. VIEW SOURCEInstance Propertiesexpand_morethis.capture → booleanWhether the listener works on capture phase. VIEW SOURCEexpand_morethis.handler → (Object|null|undefined)The 'this' object for the listener function's scope. VIEW SOURCEexpand_morethis.key → numberA globally unique number to identify the key. VIEW SOURCEexpand_morethis.listener → (function(?): ?|{handleEvent: function(?): ?}|null)The listener function. VIEW SOURCEexpand_morethis.src → (Object|null)The source event target. VIEW SOURCEexpand_morethis.type → stringThe event type the listener is listening to. VIEW SOURCEFunctionsexpand_moreListenableKey.reserveKey() → numberReserves a key to be used for ListenableKey#key field. ParametersNone.ReturnsnumberA number to be used to fill ListenableKey#key field. VIEW SOURCE