JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<div class="row">
        <div class="col-xs-8">
            <div class="progress">
                    <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%">
                        0%
                    </div>
                </div>
        </div>
    </div>

JavaScript

var progressBar = $('.progress-bar');
var percentVal = 0;

window.setInterval(function(){
  	percentVal += 10;
    progressBar.css("width", percentVal+ '%').attr("aria-valuenow", percentVal+ '%').text(percentVal+ '%'); 
    
    if (percentVal == 100)
    {
    	percentVal = 0;      
    }
    
}, 500);