JSFiddle - React, Tailwind, and code Playground

JavaScript

function timeout(){
    var d = $.Deferred();
    setTimeout(function(){ d.resolve(); },1000);
    return d.promise();
}
timeout().then(function(){
   var d = $.Deferred(); d.reject();
   return d;
}).then(function(){
   console.log("Hello World");
},function(){
    console.log("In Error Handler");   
}).then(function(){
   console.log("This should have run");
}).fail(function(){
   console.log("But this does instead"); 
});