JSFiddle - React, Tailwind, and code Playground

JavaScript

var prom = new Promise(function(resolve, reject) {
  resolve(null);
});

prom
  .then(function(res) {
  	throw new Error('error thrown inside promise handler')
  }, function(error) { console.log('error1: ' + error)})
  .then(function(res) {
  	console.log(res[0]);
  }, function(error) { console.log('error2: ' + error)});