The preloadResponse read-only property of the FetchEvent interface returns a Promise that resolves to the navigation preload Response if navigation preload was triggered, or undefined otherwise.

request

val request: Request

The request read-only property of the the event handler.

resultingClientId

val resultingClientId: String

The resultingClientId read-only property of the navigation.

target

val target: EventTarget?

timeStamp

val timeStamp: DOMHighResTimeStamp

type

open override val type: EventType<FetchEvent>

Functions

asInit

open override fun asInit(): FetchEventInit

composedPath

fun composedPath(): ReadonlyArray<EventTarget>

preventDefault

fun preventDefault()

respondWith

fun respondWith(r: PromiseLike<Response>)

fun respondWith(r: Response)

The respondWith() method of allows you to provide a promise for a Response yourself.

stopImmediatePropagation

fun stopImmediatePropagation()

stopPropagation

fun stopPropagation()

waitUntil

fun waitUntil(f: Promise<*>)

The ExtendableEvent.waitUntil() method tells the event dispatcher that work is ongoing.