Contents

catch

Tells CancellablePromise what callback to call on failure of the inner promise.

Declaration

CancellablePromise catch(
	Function? onrejected
);

Parameters

  • onrejected:

    An optional function CancellablePromise calls when the inner promise rejects.

Discussion

If you provide a function for the onrejected parameter, CancellablePromise calls that function if the promise fails.