The destroy() method of the CloseWatcher interface deactivates the close watcher. This is intended to be called if the relevant UI element is torn down in some other way than being closed.
After being deactivated, this CloseWatcher will no longer receive cancel or close events, and it will be possible to create new independent CloseWatcher instances.
destroy()None.
None (undefined).
destroy() methodUse the destroy() method to dispose of the watcher instance for cleanup.
watcher.destroy();