JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://jquery-json.googlecode.com/files/jquery.json-2.2.min.js"></script>

JavaScript

function getUserData(username){
	return $.ajax({
   	 url:"/echo/json/",
    	data:{json: $.toJSON({"username": username}),
      			delay: 3},
    	type:"POST",
    	success:function(response)
    	{
      	 console.log(response);
    	}
	});}
  
  var userList = ["userA", "userB"];
  
  var userRequests = [];
  
  userList.forEach(function(u){
  	userRequests.push(getUserData(u));
  })