SharedWorkerGlobalScope.close()
The close() method of the SharedWorkerGlobalScope interface discards any tasks queued in the SharedWorkerGlobalScope's event loop, effectively closing this particular scope.
Syntax
self.close();
Example
If you want to close your worker instance from inside the worker itself, you can call the following:
close();
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.
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
| close | 4 | 79 | 29 | No | 10.6 | 5 | ≤37 | 18 | 29 | 11 | 7 | 1.0 | 
See also
DedicatedWorkerGlobalScope
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    https://developer.mozilla.org/en-US/docs/Web/API/SharedWorkerGlobalScope/close