JSFiddle - React, Tailwind, and code Playground

by jfriend00

HTML

<script src="http://files.the-friend-family.com/log.js"></script>

JavaScript

function promiseConstructorExample(){ 
  return new Promise(function (resolve, reject){
     // this exception is automatically turned into a promise rejection
     throw "error";
  });
}

promiseConstructorExample().then(function() {
    log("success");
}, function(err) {
    // exception throw in new Promise callback is caught here
    log(err);
});