The Promise object represents the eventual completion (or failure) of an asynchronous … See more

A Promise is a proxy for a value not necessarily known when the promise is created. It allows you to associate handlers with an asynchronous action's eventual success val… See more

Promise.all()
Takes an iterable of promises as input and returns a single Promise. This returned promise fulfills when all of the input's promises fu… See more

These properties are defined on Promise.prototype and shared by all Promise instances.
Promise.prototype.constructor
The constr… See more

Promise.prototype.catch()
Appends a rejection handler callback to the promise, and returns a new promise resolving to the return value of the callback if it is called… See more