There are also: https://nodejs.org/api/process.html#process_event_unhandledrejection https://nodejs.org/api/process.html#process_event_unhandledr... And for t

There are also: https://nodejs.org/api/process.html#process_event_unhandledrejection https://nodejs.org/api/process.html#process_event_unhandledr... And for the browser: https://developer.mozilla.org/en-US/docs/Web/API/Window/unhandledrejection_event https://developer.mozilla.org/en-US/docs/Web/API/Window/unha... Not entirely sure of their utility though. But can be elegant or robust if applied correctly.