Re: Promises as Cancelation Tokens

Thanks for posting this. Great stuff! > On a page that loads 100 images four at a time, you would want 4 cleanup > actions registered, not 100. > And in order to keep it to 4 you need a way to unregister the action when you complete the operation, which the promise API doesn't give you. I see.

Re: Promises as Cancelation Tokens

Thanks Ron! Comments inline... > · Once a callback has been registered for asynchronous notification > of a cancellation signal, it can later be unregistered. > Yes, I see how this could be helpful. > · Asynchronous notifications are queued and handled at a higher > priority than Pro