JSFiddle - React, Tailwind, and code Playground

HTML

<div class="document">
</div>

JavaScript

var equipValue = [];
 var selectedTrucks = [];

 selectedTrucks.push("131-00004131");
 selectedTrucks.push("131-00004132");

 for (var i in selectedTrucks) {

    (function(i) {
    // ajax request
       $.ajax({
         async: true,
         cache: false,
         type: 'post',
         url: '/echo/json/',
         data: {
           json: '{"n":"response","txt":"text here"}'
         }
       }).done(function(data) {
         if (data != null) {
           equipValue[i] = data;
           $('.document').append(i + " -> " + equipValue[i].n + " " + equipValue[i].txt + "<br>");
         }
       });
   })(i);
 }