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Interface ServiceWorker

This ServiceWorker API interface provides a reference to a service worker. Multiple browsing contexts (e.g. pages, workers, etc.) can be associated with the same service worker, each through a unique ServiceWorker object.

Hierarchy

Index

Properties

EventTarget

EventTarget: { constructor: any; prototype: EventTarget }

Type declaration

onerror

onerror: ((this: AbstractWorker, ev: ErrorEvent) => any) | null

onstatechange

onstatechange: ((this: ServiceWorker, ev: Event) => any) | null

Readonly scriptURL

scriptURL: string

Readonly state

Methods

addEventListener

dispatchEvent

  • dispatchEvent(event: Event): boolean
  • Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.

    Parameters

    Returns boolean

postMessage

  • Parameters

    Returns void

  • Parameters

    Returns void

removeEventListener

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