Testing Jwplayer Buffer

HTML

<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://jwpsrv.com/library/PXWW0oQgEeOOWyIACi0I_Q.js"></script>
<div id='playerwnqZpIQLUFAE'></div>

JavaScript

jwplayer('playerwnqZpIQLUFAE').setup({
        file: 'http://d1baxxa0joomi3.cloudfront.net/20010d06fe480b67ae457c7e947b2caf/basic.mp4',
        image: 'https://www.longtailvideo.com/content/images/jw-player/lWMJeVvV-876.jpg',
        width: '100%',
        stretching : 'exactfit',
        aspectratio: '4:3',
        fallback: 'false',
        primary: 'HTML5',
        // debug: true,
        events:{
        onBufferChange: function(callback) {
              //  console.log(callback.buffer);
               // console.log(jwplayer('playerwnqZpIQLUFAE').getBuffer());
            }
        }
    });