# WorkerGlobalScope class

Inheritance
  - Object
  - EventTarget
  - WorkerGlobalScope
Implemented types
  - WindowBase64
Implementers
  - DedicatedWorkerGlobalScope
  - ServiceWorkerGlobalScope
  - SharedWorkerGlobalScope
Annotations
  - @Native("WorkerGlobalScope")

## Properties

addressSpace → String
  final
caches → CacheStorage
  final
crypto → Crypto
  final
indexedDB → IdbFactory
  final
isSecureContext → bool
  final
location → _WorkerLocation
  final
navigator → _WorkerNavigator
  final
onError → Stream<Event>
  Stream of `error` events handled by this WorkerGlobalScope.
  read-only
origin → String
  final
performance → WorkerPerformance
  final
self → WorkerGlobalScope
  final
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
on → Events
  This is an ease-of-use accessor for event streams which should only be used when an explicit accessor is not available.
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited

## Methods

atob(String atob) → String
  override
btoa(String btoa) → String
  override
fetch(dynamic input, [ Map init ]) → Future
importScripts(String urls) → void
addEventListener(String type, EventListener listener, [ bool useCapture ]) → void
  inherited
dispatchEvent(Event event) → bool
  inherited
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
removeEventListener(String type, EventListener listener, [ bool useCapture ]) → void
  inherited
toString() → String
  Returns a string representation of this object.
  inherited

## Operators

operator ==(dynamic other) → bool
  The equality operator. [...]
  inherited

## Static Properties

instance → WorkerGlobalScope
  read-only

## Constants

errorEvent → const EventStreamProvider<Event>
  Static factory designed to expose `error` events to event handlers that are not necessarily instances of WorkerGlobalScope. [...]
  `const EventStreamProvider<Event>('error')`