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unhandledrejection

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The unhandledrejection event is fired when a JavaScript Promise is rejected but there is no rejection handler to deal with the rejection.

Bubbles No
Cancelable No
Target objects defaultView
Interface PromiseRejectionEvent

Examples

window.addEventListener("unhandledrejection", function (event) {
  console.warn("WARNING: Unhandled promise rejection. Shame on you! Reason: "
               + event.reason);
});

Inheritance

The unhandledrejection event implements the PromiseRejectionEvent interface, which inherits from Event. You can use the properties and methods defined on these interfaces.

See also

Метки документа и участники

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