MessageEventTarget
interface MessageEventTarget<T> {
onmessage: null | ((this: T, ev: MessageEvent) => any);
onmessageerror: null | ((this: T, ev: MessageEvent) => any);
addEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | AddEventListenerOptions,
): void;
addEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions,
): void;
removeEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | EventListenerOptions,
): void;
removeEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | EventListenerOptions,
): void;
}
onmessage: null | ((this: T, ev: MessageEvent) => any);
onmessageerror: null | ((this: T, ev: MessageEvent) => any);
addEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | AddEventListenerOptions,
): void;
addEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions,
): void;
removeEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | EventListenerOptions,
): void;
removeEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | EventListenerOptions,
): void;
}
Type Parameters
- T
Hierarchy (View Summary)
- MessageEventTarget
Index
Properties
Methods
Methods
add
addEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | AddEventListenerOptions,
): voidType Parameters
- K extends keyof MessageEventTargetEventMap
Parameters
type: Klistener: (this: T, ev: MessageEventTargetEventMap[K]) => anyOptionaloptions: boolean | AddEventListenerOptions
Returns void
addEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions,
): voidParameters
type: stringlistener: EventListenerOrEventListenerObjectOptionaloptions: boolean | AddEventListenerOptions
Returns void
remove
removeEventListener<K extends keyof MessageEventTargetEventMap>(
type: K,
listener: (this: T, ev: MessageEventTargetEventMap[K]) => any,
options?: boolean | EventListenerOptions,
): voidType Parameters
- K extends keyof MessageEventTargetEventMap
Parameters
type: Klistener: (this: T, ev: MessageEventTargetEventMap[K]) => anyOptionaloptions: boolean | EventListenerOptions
Returns void
removeEventListener(
type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | EventListenerOptions,
): voidParameters
type: stringlistener: EventListenerOrEventListenerObjectOptionaloptions: boolean | EventListenerOptions
MDN Reference