A Promise for the completion of the callback.
Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The resolved value cannot be modified from the callback.
Optional
onfinally: null | (() => void)The callback to execute when the Promise is settled (fulfilled or rejected).
A Promise for the completion of the callback.
Attaches callbacks for the resolution and/or rejection of the Promise.
Optional
onfulfilled: null | ((value: TResponseKey extends keyof TResponseThe callback to execute when the Promise is resolved.
Optional
onrejected: null | ((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.
Attaches a callback for only the rejection of the Promise.