JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="container"></ul>

JavaScript

(function(){
    var person = function(o){
        if(!(this instanceof person)){
            return new person(o);
        }
        if(typeof o === 'undefined'){
            o = {};
        }
        
        this.id     = o.id || -1;
        this.age    = o.age || 'unknown';
        this.name   = o.name || 'unknown';
        this.gender = o.gender || 'transexual';
    };
    person.fn = person.prototype = {
        toString: function(){
            return '<strong>Id:</strong> ' + this.id + ', <strong>name:</strong> ' + this.name + ', <strong>gender:</strong> ' + this.gender + ', <strong>age:</strong> ' + this.age; 
        }
    };
    
    var personHandler = function(tar){
        if(!(this instanceof personHandler)){
             return new personHandler(tar);   
        }
        
        this.target = tar || 'unknown';
        
        //list of all people -- initialized with nothing
        this.rawData = '';
        this.persons = [];
    };
    
    personHandler.fn = personHandler.prototype = {
        loadRawData: function(callback){
            $.getJSON('http://www.json-generator.com/api/json/get/bPFaIYWLpK?indent=2', function(data){
                
                //applying data to rawdata
                this.rawData = data;
                
                if(typeof callback != 'undefined'){
                     callback.apply(this);   
                }
                
            }.bind(this)).fail(function(){
                console.log('Uh oh an error occured');
            });
            //for chainability
            return this;
        },
        
        //PART 1 HERE ===============================
        load: function(callback){
            //TODO: Make the for loop asynchronous with callback
           
            setTimeout(function(){
                for(var i = 0; i < this.rawData.length; i++){
                    
                    var personRawData = this.rawData[i];
                    
                   ...