Browser Compatibility Testing of JAVASCRIPT unhandledrejection/rejectionhandled events

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JAVASCRIPT unhandledrejection/rejectionhandled events

The unhandledrejection event is fired when a Promise is rejected but there is no rejection handler to deal with the rejection. The rejectionhandled event is fired when a Promise is rejected, and after the rejection is handled by the promise's rejection handling code.

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JAVASCRIPT

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Method of indicating a progress state.

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BROWSER SUPPORT FOR JAVASCRIPT unhandledrejection/rejectionhandled events

Google Chrome

Chrome version 4 to 35 doesn't supports. Chrome version 36 to 70 suppports JAVASCRIPT unhandledrejection/rejectionhandled events.

Mozilla Firefox

Firefox version 2 to 63 doesn't supports JAVASCRIPT unhandledrejection/rejectionhandled events.

Internet Explorer

IE browser version 6 to 11 doesn't supports JAVASCRIPT unhandledrejection/rejectionhandled events.

Safari

Safari browser version 3.1 to 9 doesn't supports. Safari browser version 9.1 to 12 supports JAVASCRIPT unhandledrejection/rejectionhandled events.

Microsoft Edge

Microsoft Edge browser version 12 to 18 doesn't supports JAVASCRIPT unhandledrejection/rejectionhandled events property.

Opera

Opera version 10.1 and 35 doesn't supports JAVASCRIPT unhandledrejection/rejectionhandled events. Opera version 36 to 53 supports JAVASCRIPT unhandledrejection/rejectionhandled events.

Information sourced from
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