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The close() method of the DedicatedWorkerGlobalScope interface discards any tasks queued in the DedicatedWorkerGlobalScope's event loop, effectively closing this particular scope.




If you want to close your worker instance from inside the worker itself, you can call the following:


close() and self.close() are effectively equivalent — both represent close() being called from inside the worker's inner scope.

Note: There is also a way to stop the worker from the main thread: the Worker.terminate method.


Specification Status Comment
HTML Living Standard
The definition of 'close()' in that specification.
Living Standard  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes ?54 ? Yes ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes ?54 Yes ? ?

See also


Document Tags and Contributors

 Contributors to this page: fscholz, chrisdavidmills
 Last updated by: fscholz,