{"json_modified": "2016-03-28T08:46:20.400611", "uuid": "f8afc6fa-3bf5-4370-b59d-5e240c938f38", "title": "WindowEventHandlers.onrejectionhandled", "url": "/en-US/docs/Web/API/WindowEventHandlers/onrejectionhandled", "tags": ["API", "Promises", "Event Handlers", "onrejectionhandled", "Property", "Reference", "events", "HTML DOM", "JavaScript", "Events", "WindowEventHandlers"], "translations": [], "modified": "2016-03-24T03:54:16", "label": "WindowEventHandlers.onrejectionhandled", "localization_tags": [], "locale": "en-US", "id": 159885, "last_edit": "2016-03-24T03:54:14", "summary": "The <strong><code>Window.onrejectionhandled</code></strong> property is an event handler for processing <code><a href=\"/en-US/docs/Web/Events/rejectionhandled\" title=\"/en-US/docs/Web/Events/rejectionhandled\">rejectionhandled</a></code> events, which are raised when <a href=\"/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise\" title=\"The Promise object is used for deferred and asynchronous computations. A Promise represents an operation that hasn't completed yet, but is expected in the future.\"><code>Promise</code></a>s are rejected.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}], "slug": "Web/API/WindowEventHandlers/onrejectionhandled", "review_tags": []}