JSFiddle - React, Tailwind, and code Playground
by chad_888
HTML
<div id="timeline" style="background-color:black;"></div>
JavaScript
$(document).ready(function()
{
(function(){
var audio = new Audio();
setInterval(function(){
var a = Math.floor(audio.currentTime / (audio.duration / 200));
$('#timeline').css({"width" : "" + a + "px"});
}, 500);
}());
});