Attaches a callback for only the rejection of the Promise.
Optionalonrejected: (reason: any) => TResult | PromiseLike<TResult>The callback to execute when the Promise is rejected.
A Promise for the completion of the callback.
Attaches callbacks for the resolution and/or rejection of the Promise.
Optionalonfulfilled: (value: T) => TResult1 | PromiseLike<TResult1>The callback to execute when the Promise is resolved.
Optionalonrejected: (reason: any) => TResult2 | PromiseLike<TResult2>The callback to execute when the Promise is rejected.
A Promise for the completion of which ever callback is executed.
Promise-like object which can be passed around for resolving it later. It implements the "thenable" interface, so it can be used wherever a Promise could be used.
In addition a "reject on timeout" functionality is provided.