JSFiddle - React, Tailwind, and code Playground

JavaScript

var prom1 = new Promise(resolve => {
  setTimeout(() => {
  	resolve('resolved');
  }, 100);
});

prom1.then((value) => console.log(value));

var prom2 = new Promise((resolve, reject) => {
  setTimeout(() => {
  	reject('rejected');
  }, 100);
});

prom2.catch((reason) => console.log(reason));