JSFiddle - React, Tailwind, and code Playground

JavaScript

var notRejectedPromise = 
	Promise.reject("b")
  	.then((resolved) => resolved, (err) => err)

var promises = [Promise.resolve("a"), notRejectedPromise];

Promise.all(promises)
.then(function(complete) {
  console.log("all promises after .map()", complete)
}, function(err) {
  console.log("err", err)
})