JSFiddle - React, Tailwind, and code Playground

by WilsonPage

HTML

<script src="https://raw.github.com/caolan/async/master/lib/async.js"></script>

JavaScript

var function1 = function(callback){
  
    setTimeout(function(){
        callback(null, 'one');
    }, 200);  
}

var function2 = function(callback){
  
    setTimeout(function(){
        callback(null, 'two');
    }, 200);  
}
    
var function3 = function(callback){
  
    setTimeout(function(){
        callback(null, 'three');
    }, 200);  
}


async.series([
    function1,
    function2,
    function3
], function(err, results){
    if(err) return console.log(err);
    
    console.log(results);
});