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:
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
|WHATWG HTML Living Standard
The definition of 'close()' in that specification.
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|Basic support||?||54 (54)||?||?||?|
|Feature||Android||Chrome for Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
|Basic support||?||?||54 (54)||?||?||?|
General note: In newer browser versions,
close() is available on
SharedWorkerGlobalScope. In older browser versions, it is available on
WorkerGlobalScope. This change was made to stop
close() being available on service workers, as it isn't supposed to be used there and always throws an exception when called (see bug 1336043).