In modern JavaScript – no Promises have settled (hah) and it appears like it will never be possible to cancel a (pending) promise. Instead, there is a cross-platform (Node, Browsers etc) cancellation primitive as part of WHATWG (a standards body that also builds HTML) called AbortController. You can use it to cancel functions that return … Read more
Is there a method for clearing the .thens of a JavaScript Promise instance? No. Not in ECMAScript 6 at least. Promises (and their then handlers) are uncancellable by default (unfortunately). There is a bit of discussion on es-discuss (e.g. here) about how to do this in the right way, but whatever approach will win it … Read more
You can implement your work method as follows: private static void Work(CancellationToken cancelToken) { while (true) { if(cancelToken.IsCancellationRequested) { return; } Console.Write(“345”); } } That’s it. You always need to handle cancellation by yourself – exit from method when it is appropriate time to exit (so that your work and data is in consistent state) … Read more
This feature was added to the 1.1.5 release via a timeout parameter: var canceler = $q.defer(); $http.get(‘/someUrl’, {timeout: canceler.promise}).success(successCallback); // later… canceler.resolve(); // Aborts the $http request if it isn’t finished.