Promises: then, catch and finally

A promise is a value that arrives later, like the buzzer a pizza shop hands you, and then, catch and finally say what to do when it works, when it fails, and either way.

Updated

Cheat sheet: Promises: then, catch and finally
Category
JavaScript
Level
Journeyman
Tags
.catch(), .then(), JavaScript, Microtask Queue (javascript), Promise, Promise State