EventSource - Fetch - Web documentation

Fetch

EventSource

interface EventSource

Properties #

#onerror: ((this: EventSource,
ev: Event,
) => any) | null

#onmessage: ((this: EventSource,
ev: MessageEvent,
) => any) | null

#onopen: ((this: EventSource,
ev: Event,
) => any) | null

readonly

#readyState: number

Returns the state of this EventSource object's connection. It can have the values described below.

readonly

#url: string

Returns the URL providing the event stream.

readonly

#withCredentials: boolean

Returns true if the credentials mode for connection requests to the URL providing the event stream is set to "include", and false otherwise.

readonly

#CONNECTING: 0

readonly

#OPEN: 1

readonly

#CLOSED: 2

Methods #

#close(): void

Aborts any instances of the fetch algorithm started for this EventSource object, and sets the readyState attribute to CLOSED.

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

#addEventListener(type: string,
listener: (this: EventSource,
event: MessageEvent,
) => any,
options?: boolean | AddEventListenerOptions,
): void

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

#removeEventListener<K extends keyof EventSourceEventMap>(type: K,
listener: (this: EventSource,
ev: EventSourceEventMap[K],
) => any,
options?: boolean | EventListenerOptions,
): void

#removeEventListener(type: string,
listener: (this: EventSource,
event: MessageEvent,
) => any,
options?: boolean | EventListenerOptions,
): void

#removeEventListener(type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | EventListenerOptions,
): void

variable EventSource

Properties #

#prototype: EventSource

readonly

#CONNECTING: 0

readonly

#OPEN: 1

readonly

#CLOSED: 2